diff --git a/src/etc/test-float-parse/u64-pow2.rs b/src/etc/test-float-parse/u64-pow2.rs index 1c9bda948ffd3..7e67e2b1246ef 100644 --- a/src/etc/test-float-parse/u64-pow2.rs +++ b/src/etc/test-float-parse/u64-pow2.rs @@ -1,7 +1,6 @@ mod _common; use _common::validate; -use std::u64; fn main() { for exp in 19..64 { diff --git a/src/liballoc/alloc.rs b/src/liballoc/alloc.rs index 0c0dc928b95df..e0f6e0d1872a6 100644 --- a/src/liballoc/alloc.rs +++ b/src/liballoc/alloc.rs @@ -4,7 +4,6 @@ use core::intrinsics::{min_align_of_val, size_of_val}; use core::ptr::{NonNull, Unique}; -use core::usize; #[stable(feature = "alloc_module", since = "1.28.0")] #[doc(inline)] diff --git a/src/liballoc/collections/binary_heap.rs b/src/liballoc/collections/binary_heap.rs index c527b378f7465..426aa536ec39e 100644 --- a/src/liballoc/collections/binary_heap.rs +++ b/src/liballoc/collections/binary_heap.rs @@ -20,7 +20,6 @@ //! ``` //! use std::cmp::Ordering; //! use std::collections::BinaryHeap; -//! use std::usize; //! //! #[derive(Copy, Clone, Eq, PartialEq)] //! struct State { diff --git a/src/liballoc/raw_vec.rs b/src/liballoc/raw_vec.rs index 86aed612efe04..afebe6b56dc10 100644 --- a/src/liballoc/raw_vec.rs +++ b/src/liballoc/raw_vec.rs @@ -52,7 +52,7 @@ impl RawVec { /// Like `new`, but parameterized over the choice of allocator for /// the returned `RawVec`. pub const fn new_in(a: A) -> Self { - let cap = if mem::size_of::() == 0 { core::usize::MAX } else { 0 }; + let cap = if mem::size_of::() == 0 { usize::MAX } else { 0 }; // `Unique::empty()` doubles as "unallocated" and "zero-sized allocation". RawVec { ptr: Unique::empty(), cap, a } @@ -732,7 +732,7 @@ unsafe impl<#[may_dangle] T, A: Alloc> Drop for RawVec { #[inline] fn alloc_guard(alloc_size: usize) -> Result<(), TryReserveError> { - if mem::size_of::() < 8 && alloc_size > core::isize::MAX as usize { + if mem::size_of::() < 8 && alloc_size > isize::MAX as usize { Err(CapacityOverflow) } else { Ok(()) diff --git a/src/liballoc/rc.rs b/src/liballoc/rc.rs index 3080a8bf45966..751c526eba064 100644 --- a/src/liballoc/rc.rs +++ b/src/liballoc/rc.rs @@ -250,7 +250,6 @@ use core::ops::{CoerceUnsized, Deref, DispatchFromDyn, Receiver}; use core::pin::Pin; use core::ptr::{self, NonNull}; use core::slice::{self, from_raw_parts_mut}; -use core::usize; use crate::alloc::{box_free, handle_alloc_error, Alloc, Global, Layout}; use crate::string::String; @@ -1997,7 +1996,7 @@ trait RcBoxPtr { // The reference count will never be zero when this is called; // nevertheless, we insert an abort here to hint LLVM at // an otherwise missed optimization. - if strong == 0 || strong == usize::max_value() { + if strong == 0 || strong == usize::MAX { unsafe { abort(); } @@ -2023,7 +2022,7 @@ trait RcBoxPtr { // The reference count will never be zero when this is called; // nevertheless, we insert an abort here to hint LLVM at // an otherwise missed optimization. - if weak == 0 || weak == usize::max_value() { + if weak == 0 || weak == usize::MAX { unsafe { abort(); } diff --git a/src/liballoc/rc/tests.rs b/src/liballoc/rc/tests.rs index 56788bb56d550..e88385faf4fd4 100644 --- a/src/liballoc/rc/tests.rs +++ b/src/liballoc/rc/tests.rs @@ -407,14 +407,14 @@ fn test_from_vec() { fn test_downcast() { use std::any::Any; - let r1: Rc = Rc::new(i32::max_value()); + let r1: Rc = Rc::new(i32::MAX); let r2: Rc = Rc::new("abc"); assert!(r1.clone().downcast::().is_err()); let r1i32 = r1.downcast::(); assert!(r1i32.is_ok()); - assert_eq!(r1i32.unwrap(), Rc::new(i32::max_value())); + assert_eq!(r1i32.unwrap(), Rc::new(i32::MAX)); assert!(r2.clone().downcast::().is_err()); diff --git a/src/liballoc/slice.rs b/src/liballoc/slice.rs index 7b83658fca60d..a65a99472ae69 100644 --- a/src/liballoc/slice.rs +++ b/src/liballoc/slice.rs @@ -90,7 +90,6 @@ use core::borrow::{Borrow, BorrowMut}; use core::cmp::Ordering::{self, Less}; use core::mem::{self, size_of}; use core::ptr; -use core::{u16, u32, u8}; use crate::borrow::ToOwned; use crate::boxed::Box; @@ -433,7 +432,7 @@ impl [T] { /// /// ```should_panic /// // this will panic at runtime - /// b"0123456789abcdef".repeat(usize::max_value()); + /// b"0123456789abcdef".repeat(usize::MAX); /// ``` #[stable(feature = "repeat_generic_slice", since = "1.40.0")] pub fn repeat(&self, n: usize) -> Vec diff --git a/src/liballoc/str.rs b/src/liballoc/str.rs index 843a2f1f8e9fc..70860c09a2c31 100644 --- a/src/liballoc/str.rs +++ b/src/liballoc/str.rs @@ -499,7 +499,7 @@ impl str { /// /// ```should_panic /// // this will panic at runtime - /// "0123456789abcdef".repeat(usize::max_value()); + /// "0123456789abcdef".repeat(usize::MAX); /// ``` #[stable(feature = "repeat_str", since = "1.16.0")] pub fn repeat(&self, n: usize) -> String { diff --git a/src/liballoc/sync.rs b/src/liballoc/sync.rs index dc53ad2840727..8e70fcbde4e39 100644 --- a/src/liballoc/sync.rs +++ b/src/liballoc/sync.rs @@ -23,7 +23,6 @@ use core::ptr::{self, NonNull}; use core::slice::{self, from_raw_parts_mut}; use core::sync::atomic; use core::sync::atomic::Ordering::{Acquire, Relaxed, Release, SeqCst}; -use core::{isize, usize}; use crate::alloc::{box_free, handle_alloc_error, Alloc, Global, Layout}; use crate::boxed::Box; diff --git a/src/liballoc/sync/tests.rs b/src/liballoc/sync/tests.rs index edc2820ee22f1..29c7825778e24 100644 --- a/src/liballoc/sync/tests.rs +++ b/src/liballoc/sync/tests.rs @@ -463,14 +463,14 @@ fn test_from_vec() { fn test_downcast() { use std::any::Any; - let r1: Arc = Arc::new(i32::max_value()); + let r1: Arc = Arc::new(i32::MAX); let r2: Arc = Arc::new("abc"); assert!(r1.clone().downcast::().is_err()); let r1i32 = r1.downcast::(); assert!(r1i32.is_ok()); - assert_eq!(r1i32.unwrap(), Arc::new(i32::max_value())); + assert_eq!(r1i32.unwrap(), Arc::new(i32::MAX)); assert!(r2.clone().downcast::().is_err()); diff --git a/src/liballoc/tests.rs b/src/liballoc/tests.rs index 1b6e0bb291c35..bddaab0c76188 100644 --- a/src/liballoc/tests.rs +++ b/src/liballoc/tests.rs @@ -3,8 +3,6 @@ use core::any::Any; use core::clone::Clone; use core::convert::TryInto; -use core::f64; -use core::i64; use core::ops::Deref; use core::result::Result::{Err, Ok}; diff --git a/src/liballoc/tests/btree/map.rs b/src/liballoc/tests/btree/map.rs index 35ce1354f52e0..b01f167987d03 100644 --- a/src/liballoc/tests/btree/map.rs +++ b/src/liballoc/tests/btree/map.rs @@ -347,7 +347,7 @@ fn test_range_inclusive() { #[test] fn test_range_inclusive_max_value() { - let max = std::usize::MAX; + let max = usize::MAX; let map: BTreeMap<_, _> = vec![(max, 0)].into_iter().collect(); assert_eq!(map.range(max..=max).collect::>(), &[(&max, &0)]); diff --git a/src/liballoc/tests/str.rs b/src/liballoc/tests/str.rs index d3c72615696d5..68d8b5392cbf1 100644 --- a/src/liballoc/tests/str.rs +++ b/src/liballoc/tests/str.rs @@ -566,13 +566,13 @@ mod slice_index { data: "hello"; // note: using 0 specifically ensures that the result of overflowing is 0..0, // so that `get` doesn't simply return None for the wrong reason. - bad: data[0..=usize::max_value()]; + bad: data[0..=usize::MAX]; message: "maximum usize"; } in mod rangetoinclusive { data: "hello"; - bad: data[..=usize::max_value()]; + bad: data[..=usize::MAX]; message: "maximum usize"; } } diff --git a/src/liballoc/tests/string.rs b/src/liballoc/tests/string.rs index dd44495845961..f470f5a341d80 100644 --- a/src/liballoc/tests/string.rs +++ b/src/liballoc/tests/string.rs @@ -1,7 +1,6 @@ use std::borrow::Cow; use std::collections::TryReserveError::*; use std::mem::size_of; -use std::{isize, usize}; pub trait IntoCow<'a, B: ?Sized> where diff --git a/src/liballoc/tests/vec.rs b/src/liballoc/tests/vec.rs index 2a9bfefc713e7..ed68e8a8a1525 100644 --- a/src/liballoc/tests/vec.rs +++ b/src/liballoc/tests/vec.rs @@ -68,7 +68,7 @@ fn test_reserve() { #[test] fn test_zst_capacity() { - assert_eq!(Vec::<()>::new().capacity(), usize::max_value()); + assert_eq!(Vec::<()>::new().capacity(), usize::MAX); } #[test] @@ -563,19 +563,19 @@ fn test_drain_inclusive_range() { #[test] fn test_drain_max_vec_size() { - let mut v = Vec::<()>::with_capacity(usize::max_value()); + let mut v = Vec::<()>::with_capacity(usize::MAX); unsafe { - v.set_len(usize::max_value()); + v.set_len(usize::MAX); } - for _ in v.drain(usize::max_value() - 1..) {} - assert_eq!(v.len(), usize::max_value() - 1); + for _ in v.drain(usize::MAX - 1..) {} + assert_eq!(v.len(), usize::MAX - 1); - let mut v = Vec::<()>::with_capacity(usize::max_value()); + let mut v = Vec::<()>::with_capacity(usize::MAX); unsafe { - v.set_len(usize::max_value()); + v.set_len(usize::MAX); } - for _ in v.drain(usize::max_value() - 1..=usize::max_value() - 1) {} - assert_eq!(v.len(), usize::max_value() - 1); + for _ in v.drain(usize::MAX - 1..=usize::MAX - 1) {} + assert_eq!(v.len(), usize::MAX - 1); } #[test] diff --git a/src/liballoc/tests/vec_deque.rs b/src/liballoc/tests/vec_deque.rs index 1ab3694a3ca61..76b85c8c06553 100644 --- a/src/liballoc/tests/vec_deque.rs +++ b/src/liballoc/tests/vec_deque.rs @@ -3,7 +3,6 @@ use std::collections::{vec_deque::Drain, VecDeque}; use std::fmt::Debug; use std::mem::size_of; use std::panic::catch_unwind; -use std::{isize, usize}; use crate::hash; diff --git a/src/libcore/alloc.rs b/src/libcore/alloc.rs index b2d4b1b5fb916..2ffa866b7f0a5 100644 --- a/src/libcore/alloc.rs +++ b/src/libcore/alloc.rs @@ -9,7 +9,6 @@ use crate::fmt; use crate::mem; use crate::num::NonZeroUsize; use crate::ptr::{self, NonNull}; -use crate::usize; /// Represents the combination of a starting address and /// a total capacity of the returned block. diff --git a/src/libcore/cell.rs b/src/libcore/cell.rs index 4fcd0d9737d56..0fa9ae2974dfa 100644 --- a/src/libcore/cell.rs +++ b/src/libcore/cell.rs @@ -1097,8 +1097,8 @@ impl<'b> BorrowRef<'b> { // Incrementing borrow can result in a non-reading value (<= 0) in these cases: // 1. It was < 0, i.e. there are writing borrows, so we can't allow a read borrow // due to Rust's reference aliasing rules - // 2. It was isize::max_value() (the max amount of reading borrows) and it overflowed - // into isize::min_value() (the max amount of writing borrows) so we can't allow + // 2. It was isize::MAX (the max amount of reading borrows) and it overflowed + // into isize::MIN (the max amount of writing borrows) so we can't allow // an additional read borrow because isize can't represent so many read borrows // (this can only happen if you mem::forget more than a small constant amount of // `Ref`s, which is not good practice) @@ -1106,7 +1106,7 @@ impl<'b> BorrowRef<'b> { } else { // Incrementing borrow can result in a reading value (> 0) in these cases: // 1. It was = 0, i.e. it wasn't borrowed, and we are taking the first read borrow - // 2. It was > 0 and < isize::max_value(), i.e. there were read borrows, and isize + // 2. It was > 0 and < isize::MAX, i.e. there were read borrows, and isize // is large enough to represent having one more read borrow borrow.set(b); Some(BorrowRef { borrow }) @@ -1132,7 +1132,7 @@ impl Clone for BorrowRef<'_> { debug_assert!(is_reading(borrow)); // Prevent the borrow counter from overflowing into // a writing borrow. - assert!(borrow != isize::max_value()); + assert!(borrow != isize::MAX); self.borrow.set(borrow + 1); BorrowRef { borrow: self.borrow } } @@ -1356,7 +1356,7 @@ impl<'b> BorrowRefMut<'b> { let borrow = self.borrow.get(); debug_assert!(is_writing(borrow)); // Prevent the borrow counter from underflowing. - assert!(borrow != isize::min_value()); + assert!(borrow != isize::MIN); self.borrow.set(borrow - 1); BorrowRefMut { borrow: self.borrow } } diff --git a/src/libcore/convert/num.rs b/src/libcore/convert/num.rs index 752199c94b8ae..8440e3924e078 100644 --- a/src/libcore/convert/num.rs +++ b/src/libcore/convert/num.rs @@ -217,7 +217,7 @@ macro_rules! try_from_upper_bounded { /// is outside of the range of the target type. #[inline] fn try_from(u: $source) -> Result { - if u > (Self::max_value() as $source) { + if u > (Self::MAX as $source) { Err(TryFromIntError(())) } else { Ok(u as Self) @@ -239,8 +239,8 @@ macro_rules! try_from_both_bounded { /// is outside of the range of the target type. #[inline] fn try_from(u: $source) -> Result { - let min = Self::min_value() as $source; - let max = Self::max_value() as $source; + let min = Self::MIN as $source; + let max = Self::MAX as $source; if u < min || u > max { Err(TryFromIntError(())) } else { diff --git a/src/libcore/intrinsics.rs b/src/libcore/intrinsics.rs index 416c73f50bd89..0921cec77947b 100644 --- a/src/libcore/intrinsics.rs +++ b/src/libcore/intrinsics.rs @@ -1300,14 +1300,14 @@ extern "rust-intrinsic" { pub fn mul_with_overflow(x: T, y: T) -> (T, bool); /// Performs an exact division, resulting in undefined behavior where - /// `x % y != 0` or `y == 0` or `x == T::min_value() && y == -1` + /// `x % y != 0` or `y == 0` or `x == T::MIN && y == -1` pub fn exact_div(x: T, y: T) -> T; /// Performs an unchecked division, resulting in undefined behavior - /// where y = 0 or x = `T::min_value()` and y = -1 + /// where y = 0 or x = `T::MIN` and y = -1 pub fn unchecked_div(x: T, y: T) -> T; /// Returns the remainder of an unchecked division, resulting in - /// undefined behavior where y = 0 or x = `T::min_value()` and y = -1 + /// undefined behavior where y = 0 or x = `T::MIN` and y = -1 pub fn unchecked_rem(x: T, y: T) -> T; /// Performs an unchecked left shift, resulting in undefined behavior when @@ -1320,15 +1320,15 @@ extern "rust-intrinsic" { pub fn unchecked_shr(x: T, y: T) -> T; /// Returns the result of an unchecked addition, resulting in - /// undefined behavior when `x + y > T::max_value()` or `x + y < T::min_value()`. + /// undefined behavior when `x + y > T::MAX` or `x + y < T::MIN`. pub fn unchecked_add(x: T, y: T) -> T; /// Returns the result of an unchecked subtraction, resulting in - /// undefined behavior when `x - y > T::max_value()` or `x - y < T::min_value()`. + /// undefined behavior when `x - y > T::MAX` or `x - y < T::MIN`. pub fn unchecked_sub(x: T, y: T) -> T; /// Returns the result of an unchecked multiplication, resulting in - /// undefined behavior when `x * y > T::max_value()` or `x * y < T::min_value()`. + /// undefined behavior when `x * y > T::MAX` or `x * y < T::MIN`. pub fn unchecked_mul(x: T, y: T) -> T; /// Performs rotate left. diff --git a/src/libcore/iter/adapters/chain.rs b/src/libcore/iter/adapters/chain.rs index 3611a1aadaddb..85a2545e51a38 100644 --- a/src/libcore/iter/adapters/chain.rs +++ b/src/libcore/iter/adapters/chain.rs @@ -1,5 +1,4 @@ use crate::ops::Try; -use crate::usize; use super::super::{DoubleEndedIterator, FusedIterator, Iterator, TrustedLen}; diff --git a/src/libcore/iter/adapters/mod.rs b/src/libcore/iter/adapters/mod.rs index 6eb837ed0fed8..90a9949617197 100644 --- a/src/libcore/iter/adapters/mod.rs +++ b/src/libcore/iter/adapters/mod.rs @@ -2,7 +2,6 @@ use crate::cmp; use crate::fmt; use crate::intrinsics; use crate::ops::{Add, AddAssign, Try}; -use crate::usize; use super::{from_fn, LoopState}; use super::{DoubleEndedIterator, ExactSizeIterator, FusedIterator, Iterator, TrustedLen}; diff --git a/src/libcore/iter/range.rs b/src/libcore/iter/range.rs index eac3c107d2283..b237b9f1f462e 100644 --- a/src/libcore/iter/range.rs +++ b/src/libcore/iter/range.rs @@ -1,7 +1,6 @@ use crate::convert::TryFrom; use crate::mem; use crate::ops::{self, Add, Sub, Try}; -use crate::usize; use super::{FusedIterator, TrustedLen}; diff --git a/src/libcore/iter/sources.rs b/src/libcore/iter/sources.rs index a65d47cc2c1f0..54530830cdf19 100644 --- a/src/libcore/iter/sources.rs +++ b/src/libcore/iter/sources.rs @@ -1,6 +1,5 @@ use crate::fmt; use crate::marker; -use crate::usize; use super::{FusedIterator, TrustedLen}; diff --git a/src/libcore/iter/traits/iterator.rs b/src/libcore/iter/traits/iterator.rs index c958289b2c935..6e6613ee5e9d9 100644 --- a/src/libcore/iter/traits/iterator.rs +++ b/src/libcore/iter/traits/iterator.rs @@ -195,7 +195,7 @@ pub trait Iterator { /// // and the maximum possible lower bound /// let iter = 0..; /// - /// assert_eq!((usize::max_value(), None), iter.size_hint()); + /// assert_eq!((usize::MAX, None), iter.size_hint()); /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] diff --git a/src/libcore/lib.rs b/src/libcore/lib.rs index 6f1d69821f56c..cc085f0c1615a 100644 --- a/src/libcore/lib.rs +++ b/src/libcore/lib.rs @@ -154,29 +154,41 @@ mod int_macros; #[macro_use] mod uint_macros; +#[rustc_deprecated(since = "1.42.0", reason = "Replaced by associated constants")] #[path = "num/i128.rs"] pub mod i128; +#[rustc_deprecated(since = "1.42.0", reason = "Replaced by associated constants")] #[path = "num/i16.rs"] pub mod i16; +#[rustc_deprecated(since = "1.42.0", reason = "Replaced by associated constants")] #[path = "num/i32.rs"] pub mod i32; +#[rustc_deprecated(since = "1.42.0", reason = "Replaced by associated constants")] #[path = "num/i64.rs"] pub mod i64; +#[rustc_deprecated(since = "1.42.0", reason = "Replaced by associated constants")] #[path = "num/i8.rs"] pub mod i8; +#[rustc_deprecated(since = "1.42.0", reason = "Replaced by associated constants")] #[path = "num/isize.rs"] pub mod isize; +#[rustc_deprecated(since = "1.42.0", reason = "Replaced by associated constants")] #[path = "num/u128.rs"] pub mod u128; +#[rustc_deprecated(since = "1.42.0", reason = "Replaced by associated constants")] #[path = "num/u16.rs"] pub mod u16; +#[rustc_deprecated(since = "1.42.0", reason = "Replaced by associated constants")] #[path = "num/u32.rs"] pub mod u32; +#[rustc_deprecated(since = "1.42.0", reason = "Replaced by associated constants")] #[path = "num/u64.rs"] pub mod u64; +#[rustc_deprecated(since = "1.42.0", reason = "Replaced by associated constants")] #[path = "num/u8.rs"] pub mod u8; +#[rustc_deprecated(since = "1.42.0", reason = "Replaced by associated constants")] #[path = "num/usize.rs"] pub mod usize; diff --git a/src/libcore/num/dec2flt/rawfp.rs b/src/libcore/num/dec2flt/rawfp.rs index a127c6c3fa7ce..0ab15b23e5337 100644 --- a/src/libcore/num/dec2flt/rawfp.rs +++ b/src/libcore/num/dec2flt/rawfp.rs @@ -129,15 +129,15 @@ macro_rules! other_constants { ($type: ident) => { const EXPLICIT_SIG_BITS: u8 = Self::SIG_BITS - 1; const MAX_EXP: i16 = (1 << (Self::EXP_BITS - 1)) - 1; - const MIN_EXP: i16 = -Self::MAX_EXP + 1; - const MAX_EXP_INT: i16 = Self::MAX_EXP - (Self::SIG_BITS as i16 - 1); + const MIN_EXP: i16 = -::MAX_EXP + 1; + const MAX_EXP_INT: i16 = ::MAX_EXP - (Self::SIG_BITS as i16 - 1); const MAX_ENCODED_EXP: i16 = (1 << Self::EXP_BITS) - 1; - const MIN_EXP_INT: i16 = Self::MIN_EXP - (Self::SIG_BITS as i16 - 1); + const MIN_EXP_INT: i16 = ::MIN_EXP - (Self::SIG_BITS as i16 - 1); const MAX_SIG: u64 = (1 << Self::SIG_BITS) - 1; const MIN_SIG: u64 = 1 << (Self::SIG_BITS - 1); - const INFINITY: Self = $crate::$type::INFINITY; - const NAN: Self = $crate::$type::NAN; + const INFINITY: Self = $type::INFINITY; + const NAN: Self = $type::NAN; const ZERO: Self = 0.0; }; } diff --git a/src/libcore/num/f32.rs b/src/libcore/num/f32.rs index 505484c2a49dc..ca03b7a2b0604 100644 --- a/src/libcore/num/f32.rs +++ b/src/libcore/num/f32.rs @@ -15,14 +15,17 @@ use crate::num::FpCategory; /// The radix or base of the internal representation of `f32`. #[stable(feature = "rust1", since = "1.0.0")] -pub const RADIX: u32 = 2; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const RADIX: u32 = f32::RADIX; /// Number of significant digits in base 2. #[stable(feature = "rust1", since = "1.0.0")] -pub const MANTISSA_DIGITS: u32 = 24; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const MANTISSA_DIGITS: u32 = f32::MANTISSA_DIGITS; /// Approximate number of significant digits in base 10. #[stable(feature = "rust1", since = "1.0.0")] -pub const DIGITS: u32 = 6; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const DIGITS: u32 = f32::DIGITS; /// [Machine epsilon] value for `f32`. /// @@ -30,41 +33,52 @@ pub const DIGITS: u32 = 6; /// /// [Machine epsilon]: https://en.wikipedia.org/wiki/Machine_epsilon #[stable(feature = "rust1", since = "1.0.0")] -pub const EPSILON: f32 = 1.1920929e-7_f32; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const EPSILON: f32 = f32::EPSILON; /// Smallest finite `f32` value. #[stable(feature = "rust1", since = "1.0.0")] -pub const MIN: f32 = -3.40282347e+38_f32; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const MIN: f32 = f32::MIN; /// Smallest positive normal `f32` value. #[stable(feature = "rust1", since = "1.0.0")] -pub const MIN_POSITIVE: f32 = 1.17549435e-38_f32; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const MIN_POSITIVE: f32 = f32::MIN_POSITIVE; /// Largest finite `f32` value. #[stable(feature = "rust1", since = "1.0.0")] -pub const MAX: f32 = 3.40282347e+38_f32; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const MAX: f32 = f32::MAX; /// One greater than the minimum possible normal power of 2 exponent. #[stable(feature = "rust1", since = "1.0.0")] -pub const MIN_EXP: i32 = -125; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const MIN_EXP: i32 = f32::MIN_EXP; /// Maximum possible power of 2 exponent. #[stable(feature = "rust1", since = "1.0.0")] -pub const MAX_EXP: i32 = 128; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const MAX_EXP: i32 = f32::MAX_EXP; /// Minimum possible normal power of 10 exponent. #[stable(feature = "rust1", since = "1.0.0")] -pub const MIN_10_EXP: i32 = -37; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const MIN_10_EXP: i32 = f32::MIN_10_EXP; /// Maximum possible power of 10 exponent. #[stable(feature = "rust1", since = "1.0.0")] -pub const MAX_10_EXP: i32 = 38; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const MAX_10_EXP: i32 = f32::MAX_10_EXP; /// Not a Number (NaN). #[stable(feature = "rust1", since = "1.0.0")] -pub const NAN: f32 = 0.0_f32 / 0.0_f32; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const NAN: f32 = f32::NAN; /// Infinity (∞). #[stable(feature = "rust1", since = "1.0.0")] -pub const INFINITY: f32 = 1.0_f32 / 0.0_f32; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const INFINITY: f32 = f32::INFINITY; /// Negative infinity (−∞). #[stable(feature = "rust1", since = "1.0.0")] -pub const NEG_INFINITY: f32 = -1.0_f32 / 0.0_f32; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const NEG_INFINITY: f32 = f32::NEG_INFINITY; /// Basic mathematical constants. #[stable(feature = "rust1", since = "1.0.0")] @@ -153,6 +167,60 @@ pub mod consts { #[lang = "f32"] #[cfg(not(test))] impl f32 { + /// The radix or base of the internal representation of `f32`. + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const RADIX: u32 = 2; + + /// Number of significant digits in base 2. + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const MANTISSA_DIGITS: u32 = 24; + + /// Approximate number of significant digits in base 10. + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const DIGITS: u32 = 6; + + /// [Machine epsilon] value for `f32`. + /// + /// This is the difference between `1.0` and the next larger representable number. + /// + /// [Machine epsilon]: https://en.wikipedia.org/wiki/Machine_epsilon + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const EPSILON: f32 = 1.19209290e-07_f32; + + /// Smallest finite `f32` value. + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const MIN: f32 = -3.40282347e+38_f32; + /// Smallest positive normal `f32` value. + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const MIN_POSITIVE: f32 = 1.17549435e-38_f32; + /// Largest finite `f32` value. + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const MAX: f32 = 3.40282347e+38_f32; + + /// One greater than the minimum possible normal power of 2 exponent. + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const MIN_EXP: i32 = -125; + /// Maximum possible power of 2 exponent. + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const MAX_EXP: i32 = 128; + + /// Minimum possible normal power of 10 exponent. + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const MIN_10_EXP: i32 = -37; + /// Maximum possible power of 10 exponent. + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const MAX_10_EXP: i32 = 38; + + /// Not a Number (NaN). + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const NAN: f32 = 0.0_f32 / 0.0_f32; + /// Infinity (∞). + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const INFINITY: f32 = 1.0_f32 / 0.0_f32; + /// Negative infinity (-∞). + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const NEG_INFINITY: f32 = -1.0_f32 / 0.0_f32; + /// Returns `true` if this value is `NaN`. /// /// ``` @@ -198,7 +266,7 @@ impl f32 { #[stable(feature = "rust1", since = "1.0.0")] #[inline] pub fn is_infinite(self) -> bool { - self.abs_private() == INFINITY + self.abs_private() == Self::INFINITY } /// Returns `true` if this number is neither infinite nor `NaN`. @@ -222,7 +290,7 @@ impl f32 { pub fn is_finite(self) -> bool { // There's no need to handle NaN separately: if self is NaN, // the comparison is not true, exactly as desired. - self.abs_private() < INFINITY + self.abs_private() < Self::INFINITY } /// Returns `true` if the number is neither zero, infinite, diff --git a/src/libcore/num/f64.rs b/src/libcore/num/f64.rs index 8f3af42d25d80..cc9f0bb9a0961 100644 --- a/src/libcore/num/f64.rs +++ b/src/libcore/num/f64.rs @@ -15,14 +15,17 @@ use crate::num::FpCategory; /// The radix or base of the internal representation of `f64`. #[stable(feature = "rust1", since = "1.0.0")] -pub const RADIX: u32 = 2; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const RADIX: u32 = f64::RADIX; /// Number of significant digits in base 2. #[stable(feature = "rust1", since = "1.0.0")] -pub const MANTISSA_DIGITS: u32 = 53; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const MANTISSA_DIGITS: u32 = f64::MANTISSA_DIGITS; /// Approximate number of significant digits in base 10. #[stable(feature = "rust1", since = "1.0.0")] -pub const DIGITS: u32 = 15; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const DIGITS: u32 = f64::DIGITS; /// [Machine epsilon] value for `f64`. /// @@ -30,41 +33,52 @@ pub const DIGITS: u32 = 15; /// /// [Machine epsilon]: https://en.wikipedia.org/wiki/Machine_epsilon #[stable(feature = "rust1", since = "1.0.0")] -pub const EPSILON: f64 = 2.2204460492503131e-16_f64; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const EPSILON: f64 = f64::EPSILON; /// Smallest finite `f64` value. #[stable(feature = "rust1", since = "1.0.0")] -pub const MIN: f64 = -1.7976931348623157e+308_f64; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const MIN: f64 = f64::MIN; /// Smallest positive normal `f64` value. #[stable(feature = "rust1", since = "1.0.0")] -pub const MIN_POSITIVE: f64 = 2.2250738585072014e-308_f64; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const MIN_POSITIVE: f64 = f64::MIN_POSITIVE; /// Largest finite `f64` value. #[stable(feature = "rust1", since = "1.0.0")] -pub const MAX: f64 = 1.7976931348623157e+308_f64; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const MAX: f64 = f64::MAX; /// One greater than the minimum possible normal power of 2 exponent. #[stable(feature = "rust1", since = "1.0.0")] -pub const MIN_EXP: i32 = -1021; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const MIN_EXP: i32 = f64::MIN_EXP; /// Maximum possible power of 2 exponent. #[stable(feature = "rust1", since = "1.0.0")] -pub const MAX_EXP: i32 = 1024; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const MAX_EXP: i32 = f64::MAX_EXP; /// Minimum possible normal power of 10 exponent. #[stable(feature = "rust1", since = "1.0.0")] -pub const MIN_10_EXP: i32 = -307; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const MIN_10_EXP: i32 = f64::MIN_10_EXP; /// Maximum possible power of 10 exponent. #[stable(feature = "rust1", since = "1.0.0")] -pub const MAX_10_EXP: i32 = 308; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const MAX_10_EXP: i32 = f64::MAX_10_EXP; /// Not a Number (NaN). #[stable(feature = "rust1", since = "1.0.0")] -pub const NAN: f64 = 0.0_f64 / 0.0_f64; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const NAN: f64 = f64::NAN; /// Infinity (∞). #[stable(feature = "rust1", since = "1.0.0")] -pub const INFINITY: f64 = 1.0_f64 / 0.0_f64; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const INFINITY: f64 = f64::INFINITY; /// Negative infinity (−∞). #[stable(feature = "rust1", since = "1.0.0")] -pub const NEG_INFINITY: f64 = -1.0_f64 / 0.0_f64; +#[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant")] +pub const NEG_INFINITY: f64 = f64::NEG_INFINITY; /// Basic mathematical constants. #[stable(feature = "rust1", since = "1.0.0")] @@ -153,6 +167,59 @@ pub mod consts { #[lang = "f64"] #[cfg(not(test))] impl f64 { + /// The radix or base of the internal representation of `f64`. + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const RADIX: u32 = 2; + + /// Number of significant digits in base 2. + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const MANTISSA_DIGITS: u32 = 53; + /// Approximate number of significant digits in base 10. + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const DIGITS: u32 = 15; + + /// [Machine epsilon] value for `f64`. + /// + /// This is the difference between `1.0` and the next larger representable number. + /// + /// [Machine epsilon]: https://en.wikipedia.org/wiki/Machine_epsilon + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const EPSILON: f64 = 2.2204460492503131e-16_f64; + + /// Smallest finite `f64` value. + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const MIN: f64 = -1.7976931348623157e+308_f64; + /// Smallest positive normal `f64` value. + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const MIN_POSITIVE: f64 = 2.2250738585072014e-308_f64; + /// Largest finite `f64` value. + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const MAX: f64 = 1.7976931348623157e+308_f64; + + /// One greater than the minimum possible normal power of 2 exponent. + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const MIN_EXP: i32 = -1021; + /// Maximum possible power of 2 exponent. + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const MAX_EXP: i32 = 1024; + + /// Minimum possible normal power of 10 exponent. + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const MIN_10_EXP: i32 = -307; + /// Maximum possible power of 10 exponent. + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const MAX_10_EXP: i32 = 308; + + /// Not a Number (NaN). + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const NAN: f64 = 0.0_f64 / 0.0_f64; + /// Infinity (∞). + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const INFINITY: f64 = 1.0_f64 / 0.0_f64; + /// Negative infinity (-∞). + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const NEG_INFINITY: f64 = -1.0_f64 / 0.0_f64; + /// Returns `true` if this value is `NaN`. /// /// ``` @@ -198,7 +265,7 @@ impl f64 { #[stable(feature = "rust1", since = "1.0.0")] #[inline] pub fn is_infinite(self) -> bool { - self.abs_private() == INFINITY + self.abs_private() == Self::INFINITY } /// Returns `true` if this number is neither infinite nor `NaN`. @@ -222,7 +289,7 @@ impl f64 { pub fn is_finite(self) -> bool { // There's no need to handle NaN separately: if self is NaN, // the comparison is not true, exactly as desired. - self.abs_private() < INFINITY + self.abs_private() < Self::INFINITY } /// Returns `true` if the number is neither zero, infinite, diff --git a/src/libcore/num/flt2dec/decoder.rs b/src/libcore/num/flt2dec/decoder.rs index 2b74effbe2e98..c43536c6fcca8 100644 --- a/src/libcore/num/flt2dec/decoder.rs +++ b/src/libcore/num/flt2dec/decoder.rs @@ -2,7 +2,6 @@ use crate::num::dec2flt::rawfp::RawFloat; use crate::num::FpCategory; -use crate::{f32, f64}; /// Decoded unsigned finite value, such that: /// diff --git a/src/libcore/num/flt2dec/mod.rs b/src/libcore/num/flt2dec/mod.rs index 9e760c13c0cf0..f76e9d608257e 100644 --- a/src/libcore/num/flt2dec/mod.rs +++ b/src/libcore/num/flt2dec/mod.rs @@ -123,7 +123,6 @@ functions. )] pub use self::decoder::{decode, DecodableFloat, Decoded, FullDecoded}; -use crate::i16; pub mod decoder; pub mod estimator; diff --git a/src/libcore/num/int_macros.rs b/src/libcore/num/int_macros.rs index 5c59fe25f6483..f2f91e92adff4 100644 --- a/src/libcore/num/int_macros.rs +++ b/src/libcore/num/int_macros.rs @@ -5,9 +5,11 @@ macro_rules! int_module { ($T:ident, #[$attr:meta]) => ( /// The smallest value that can be represented by this integer type. #[$attr] - pub const MIN: $T = $T::min_value(); + #[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant MIN")] + pub const MIN: $T = $T::MIN; /// The largest value that can be represented by this integer type. #[$attr] - pub const MAX: $T = $T::max_value(); + #[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant MAX")] + pub const MAX: $T = $T::MAX; ) } diff --git a/src/libcore/num/mod.rs b/src/libcore/num/mod.rs index b6b4a46e0b812..162f4ab7c8811 100644 --- a/src/libcore/num/mod.rs +++ b/src/libcore/num/mod.rs @@ -245,42 +245,56 @@ macro_rules! int_impl { $reversed:expr, $le_bytes:expr, $be_bytes:expr, $to_xe_bytes_doc:expr, $from_xe_bytes_doc:expr) => { doc_comment! { - concat!("Returns the smallest value that can be represented by this integer type. + concat!("The smallest value that can be represented by this integer type. # Examples Basic usage: ``` -", $Feature, "assert_eq!(", stringify!($SelfT), "::min_value(), ", stringify!($Min), ");", +", $Feature, "assert_eq!(", stringify!($SelfT), "::MIN, ", stringify!($Min), ");", $EndFeature, " ```"), - #[stable(feature = "rust1", since = "1.0.0")] - #[inline(always)] - #[rustc_promotable] - #[rustc_const_stable(feature = "const_min_value", since = "1.32.0")] - pub const fn min_value() -> Self { - !0 ^ ((!0 as $UnsignedT) >> 1) as Self - } + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const MIN: Self = !0 ^ ((!0 as $UnsignedT) >> 1) as Self; } doc_comment! { - concat!("Returns the largest value that can be represented by this integer type. + concat!("The largest value that can be represented by this integer type. # Examples Basic usage: ``` -", $Feature, "assert_eq!(", stringify!($SelfT), "::max_value(), ", stringify!($Max), ");", +", $Feature, "assert_eq!(", stringify!($SelfT), "::MAX, ", stringify!($Max), ");", $EndFeature, " ```"), + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const MAX: Self = !Self::MIN; + } + + doc_comment! { + "Returns the smallest value that can be represented by this integer type.", + #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant MIN")] + #[inline(always)] + #[rustc_promotable] + #[rustc_const_stable(feature = "const_min_value", since = "1.32.0")] + pub const fn min_value() -> Self { + Self::MIN + } + } + + doc_comment! { + "Returns the largest value that can be represented by this integer type.", #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant MAX")] #[inline(always)] #[rustc_promotable] #[rustc_const_stable(feature = "const_max_value", since = "1.32.0")] pub const fn max_value() -> Self { - !Self::min_value() + Self::MAX } } @@ -341,7 +355,7 @@ $EndFeature, " Basic usage: ``` -", $Feature, "assert_eq!(", stringify!($SelfT), "::max_value().count_zeros(), 1);", $EndFeature, " +", $Feature, "assert_eq!(", stringify!($SelfT), "::MAX.count_zeros(), 1);", $EndFeature, " ```"), #[stable(feature = "rust1", since = "1.0.0")] #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")] @@ -636,8 +650,8 @@ Basic usage: ``` ", $Feature, "assert_eq!((", stringify!($SelfT), -"::max_value() - 2).checked_add(1), Some(", stringify!($SelfT), "::max_value() - 1)); -assert_eq!((", stringify!($SelfT), "::max_value() - 2).checked_add(3), None);", +"::MAX - 2).checked_add(1), Some(", stringify!($SelfT), "::MAX - 1)); +assert_eq!((", stringify!($SelfT), "::MAX - 2).checked_add(3), None);", $EndFeature, " ```"), #[stable(feature = "rust1", since = "1.0.0")] @@ -660,8 +674,8 @@ Basic usage: ``` ", $Feature, "assert_eq!((", stringify!($SelfT), -"::min_value() + 2).checked_sub(1), Some(", stringify!($SelfT), "::min_value() + 1)); -assert_eq!((", stringify!($SelfT), "::min_value() + 2).checked_sub(3), None);", +"::MIN + 2).checked_sub(1), Some(", stringify!($SelfT), "::MIN + 1)); +assert_eq!((", stringify!($SelfT), "::MIN + 2).checked_sub(3), None);", $EndFeature, " ```"), #[stable(feature = "rust1", since = "1.0.0")] @@ -684,8 +698,8 @@ Basic usage: ``` ", $Feature, "assert_eq!(", stringify!($SelfT), -"::max_value().checked_mul(1), Some(", stringify!($SelfT), "::max_value())); -assert_eq!(", stringify!($SelfT), "::max_value().checked_mul(2), None);", +"::MAX.checked_mul(1), Some(", stringify!($SelfT), "::MAX)); +assert_eq!(", stringify!($SelfT), "::MAX.checked_mul(2), None);", $EndFeature, " ```"), #[stable(feature = "rust1", since = "1.0.0")] @@ -708,8 +722,8 @@ Basic usage: ``` ", $Feature, "assert_eq!((", stringify!($SelfT), -"::min_value() + 1).checked_div(-1), Some(", stringify!($Max), ")); -assert_eq!(", stringify!($SelfT), "::min_value().checked_div(-1), None); +"::MIN + 1).checked_div(-1), Some(", stringify!($Max), ")); +assert_eq!(", stringify!($SelfT), "::MIN.checked_div(-1), None); assert_eq!((1", stringify!($SelfT), ").checked_div(0), None);", $EndFeature, " ```"), @@ -718,7 +732,7 @@ $EndFeature, " without modifying the original"] #[inline] pub fn checked_div(self, rhs: Self) -> Option { - if rhs == 0 || (self == Self::min_value() && rhs == -1) { + if rhs == 0 || (self == Self::MIN && rhs == -1) { None } else { // SAFETY: div by zero and by INT_MIN have been checked above @@ -737,8 +751,8 @@ Basic usage: ``` assert_eq!((", stringify!($SelfT), -"::min_value() + 1).checked_div_euclid(-1), Some(", stringify!($Max), ")); -assert_eq!(", stringify!($SelfT), "::min_value().checked_div_euclid(-1), None); +"::MIN + 1).checked_div_euclid(-1), Some(", stringify!($Max), ")); +assert_eq!(", stringify!($SelfT), "::MIN.checked_div_euclid(-1), None); assert_eq!((1", stringify!($SelfT), ").checked_div_euclid(0), None); ```"), #[stable(feature = "euclidean_division", since = "1.38.0")] @@ -746,7 +760,7 @@ assert_eq!((1", stringify!($SelfT), ").checked_div_euclid(0), None); without modifying the original"] #[inline] pub fn checked_div_euclid(self, rhs: Self) -> Option { - if rhs == 0 || (self == Self::min_value() && rhs == -1) { + if rhs == 0 || (self == Self::MIN && rhs == -1) { None } else { Some(self.div_euclid(rhs)) @@ -775,7 +789,7 @@ $EndFeature, " without modifying the original"] #[inline] pub fn checked_rem(self, rhs: Self) -> Option { - if rhs == 0 || (self == Self::min_value() && rhs == -1) { + if rhs == 0 || (self == Self::MIN && rhs == -1) { None } else { // SAFETY: div by zero and by INT_MIN have been checked above @@ -804,7 +818,7 @@ assert_eq!(", stringify!($SelfT), "::MIN.checked_rem_euclid(-1), None); without modifying the original"] #[inline] pub fn checked_rem_euclid(self, rhs: Self) -> Option { - if rhs == 0 || (self == Self::min_value() && rhs == -1) { + if rhs == 0 || (self == Self::MIN && rhs == -1) { None } else { Some(self.rem_euclid(rhs)) @@ -916,7 +930,7 @@ Basic usage: ``` ", $Feature, "assert_eq!(8", stringify!($SelfT), ".checked_pow(2), Some(64)); -assert_eq!(", stringify!($SelfT), "::max_value().checked_pow(2), None);", +assert_eq!(", stringify!($SelfT), "::MAX.checked_pow(2), None);", $EndFeature, " ```"), @@ -957,10 +971,10 @@ Basic usage: ``` ", $Feature, "assert_eq!(100", stringify!($SelfT), ".saturating_add(1), 101); -assert_eq!(", stringify!($SelfT), "::max_value().saturating_add(100), ", stringify!($SelfT), -"::max_value()); -assert_eq!(", stringify!($SelfT), "::min_value().saturating_add(-1), ", stringify!($SelfT), -"::min_value());", +assert_eq!(", stringify!($SelfT), "::MAX.saturating_add(100), ", stringify!($SelfT), +"::MAX); +assert_eq!(", stringify!($SelfT), "::MIN.saturating_add(-1), ", stringify!($SelfT), +"::MIN);", $EndFeature, " ```"), @@ -984,10 +998,10 @@ Basic usage: ``` ", $Feature, "assert_eq!(100", stringify!($SelfT), ".saturating_sub(127), -27); -assert_eq!(", stringify!($SelfT), "::min_value().saturating_sub(100), ", stringify!($SelfT), -"::min_value()); -assert_eq!(", stringify!($SelfT), "::max_value().saturating_sub(-1), ", stringify!($SelfT), -"::max_value());", +assert_eq!(", stringify!($SelfT), "::MIN.saturating_sub(100), ", stringify!($SelfT), +"::MIN); +assert_eq!(", stringify!($SelfT), "::MAX.saturating_sub(-1), ", stringify!($SelfT), +"::MAX);", $EndFeature, " ```"), #[stable(feature = "rust1", since = "1.0.0")] @@ -1012,10 +1026,10 @@ Basic usage: ", $Feature, "#![feature(saturating_neg)] assert_eq!(100", stringify!($SelfT), ".saturating_neg(), -100); assert_eq!((-100", stringify!($SelfT), ").saturating_neg(), 100); -assert_eq!(", stringify!($SelfT), "::min_value().saturating_neg(), ", stringify!($SelfT), -"::max_value()); -assert_eq!(", stringify!($SelfT), "::max_value().saturating_neg(), ", stringify!($SelfT), -"::min_value() + 1);", +assert_eq!(", stringify!($SelfT), "::MIN.saturating_neg(), ", stringify!($SelfT), +"::MAX); +assert_eq!(", stringify!($SelfT), "::MAX.saturating_neg(), ", stringify!($SelfT), +"::MIN + 1);", $EndFeature, " ```"), @@ -1038,10 +1052,10 @@ Basic usage: ", $Feature, "#![feature(saturating_neg)] assert_eq!(100", stringify!($SelfT), ".saturating_abs(), 100); assert_eq!((-100", stringify!($SelfT), ").saturating_abs(), 100); -assert_eq!(", stringify!($SelfT), "::min_value().saturating_abs(), ", stringify!($SelfT), -"::max_value()); -assert_eq!((", stringify!($SelfT), "::min_value() + 1).saturating_abs(), ", stringify!($SelfT), -"::max_value());", +assert_eq!(", stringify!($SelfT), "::MIN.saturating_abs(), ", stringify!($SelfT), +"::MAX); +assert_eq!((", stringify!($SelfT), "::MIN + 1).saturating_abs(), ", stringify!($SelfT), +"::MAX);", $EndFeature, " ```"), @@ -1079,9 +1093,9 @@ $EndFeature, " pub fn saturating_mul(self, rhs: Self) -> Self { self.checked_mul(rhs).unwrap_or_else(|| { if (self < 0) == (rhs < 0) { - Self::max_value() + Self::MAX } else { - Self::min_value() + Self::MIN } }) } @@ -1110,8 +1124,8 @@ $EndFeature, " pub fn saturating_pow(self, exp: u32) -> Self { match self.checked_pow(exp) { Some(x) => x, - None if self < 0 && exp % 2 == 1 => Self::min_value(), - None => Self::max_value(), + None if self < 0 && exp % 2 == 1 => Self::MIN, + None => Self::MAX, } } } @@ -1126,8 +1140,8 @@ Basic usage: ``` ", $Feature, "assert_eq!(100", stringify!($SelfT), ".wrapping_add(27), 127); -assert_eq!(", stringify!($SelfT), "::max_value().wrapping_add(2), ", stringify!($SelfT), -"::min_value() + 1);", +assert_eq!(", stringify!($SelfT), "::MAX.wrapping_add(2), ", stringify!($SelfT), +"::MIN + 1);", $EndFeature, " ```"), #[stable(feature = "rust1", since = "1.0.0")] @@ -1150,8 +1164,8 @@ Basic usage: ``` ", $Feature, "assert_eq!(0", stringify!($SelfT), ".wrapping_sub(127), -127); -assert_eq!((-2", stringify!($SelfT), ").wrapping_sub(", stringify!($SelfT), "::max_value()), ", -stringify!($SelfT), "::max_value());", +assert_eq!((-2", stringify!($SelfT), ").wrapping_sub(", stringify!($SelfT), "::MAX), ", +stringify!($SelfT), "::MAX);", $EndFeature, " ```"), #[stable(feature = "rust1", since = "1.0.0")] @@ -1318,8 +1332,8 @@ Basic usage: ``` ", $Feature, "assert_eq!(100", stringify!($SelfT), ".wrapping_neg(), -100); -assert_eq!(", stringify!($SelfT), "::min_value().wrapping_neg(), ", stringify!($SelfT), -"::min_value());", +assert_eq!(", stringify!($SelfT), "::MIN.wrapping_neg(), ", stringify!($SelfT), +"::MIN);", $EndFeature, " ```"), #[stable(feature = "num_wrapping", since = "1.2.0")] @@ -1409,8 +1423,8 @@ Basic usage: ``` ", $Feature, "assert_eq!(100", stringify!($SelfT), ".wrapping_abs(), 100); assert_eq!((-100", stringify!($SelfT), ").wrapping_abs(), 100); -assert_eq!(", stringify!($SelfT), "::min_value().wrapping_abs(), ", stringify!($SelfT), -"::min_value()); +assert_eq!(", stringify!($SelfT), "::MIN.wrapping_abs(), ", stringify!($SelfT), +"::MIN); assert_eq!((-128i8).wrapping_abs() as u8, 128);", $EndFeature, " ```"), @@ -1577,7 +1591,7 @@ $EndFeature, " #[must_use = "this returns the result of the operation, \ without modifying the original"] pub fn overflowing_div(self, rhs: Self) -> (Self, bool) { - if self == Self::min_value() && rhs == -1 { + if self == Self::MIN && rhs == -1 { (self, true) } else { (self / rhs, false) @@ -1611,7 +1625,7 @@ assert_eq!(", stringify!($SelfT), "::MIN.overflowing_div_euclid(-1), (", stringi #[must_use = "this returns the result of the operation, \ without modifying the original"] pub fn overflowing_div_euclid(self, rhs: Self) -> (Self, bool) { - if self == Self::min_value() && rhs == -1 { + if self == Self::MIN && rhs == -1 { (self, true) } else { (self.div_euclid(rhs), false) @@ -1645,7 +1659,7 @@ $EndFeature, " #[must_use = "this returns the result of the operation, \ without modifying the original"] pub fn overflowing_rem(self, rhs: Self) -> (Self, bool) { - if self == Self::min_value() && rhs == -1 { + if self == Self::MIN && rhs == -1 { (0, true) } else { (self % rhs, false) @@ -1679,7 +1693,7 @@ assert_eq!(", stringify!($SelfT), "::MIN.overflowing_rem_euclid(-1), (0, true)); without modifying the original"] #[inline] pub fn overflowing_rem_euclid(self, rhs: Self) -> (Self, bool) { - if self == Self::min_value() && rhs == -1 { + if self == Self::MIN && rhs == -1 { (0, true) } else { (self.rem_euclid(rhs), false) @@ -1711,8 +1725,8 @@ assert_eq!(", stringify!($SelfT), "::MIN.overflowing_neg(), (", stringify!($Self #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")] #[allow_internal_unstable(const_if_match)] pub const fn overflowing_neg(self) -> (Self, bool) { - if self == Self::min_value() { - (Self::min_value(), true) + if self == Self::MIN { + (Self::MIN, true) } else { (-self, false) } @@ -1786,15 +1800,15 @@ Basic usage: ``` ", $Feature, "assert_eq!(10", stringify!($SelfT), ".overflowing_abs(), (10, false)); assert_eq!((-10", stringify!($SelfT), ").overflowing_abs(), (10, false)); -assert_eq!((", stringify!($SelfT), "::min_value()).overflowing_abs(), (", stringify!($SelfT), -"::min_value(), true));", +assert_eq!((", stringify!($SelfT), "::MIN).overflowing_abs(), (", stringify!($SelfT), +"::MIN, true));", $EndFeature, " ```"), #[stable(feature = "no_panic_abs", since = "1.13.0")] #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")] #[inline] pub const fn overflowing_abs(self) -> (Self, bool) { - (self.wrapping_abs(), self == Self::min_value()) + (self.wrapping_abs(), self == Self::MIN) } } @@ -1981,10 +1995,10 @@ assert_eq!((-a).rem_euclid(-b), 1); # Overflow behavior -The absolute value of `", stringify!($SelfT), "::min_value()` cannot be represented as an +The absolute value of `", stringify!($SelfT), "::MIN` cannot be represented as an `", stringify!($SelfT), "`, and attempting to calculate it will cause an overflow. This means that code in debug mode will trigger a panic on this case and optimized code will return `", -stringify!($SelfT), "::min_value()` without a panic. +stringify!($SelfT), "::MIN` without a panic. # Examples @@ -2339,38 +2353,52 @@ macro_rules! uint_impl { $reversed:expr, $le_bytes:expr, $be_bytes:expr, $to_xe_bytes_doc:expr, $from_xe_bytes_doc:expr) => { doc_comment! { - concat!("Returns the smallest value that can be represented by this integer type. + concat!("The smallest value that can be represented by this integer type. # Examples Basic usage: ``` -", $Feature, "assert_eq!(", stringify!($SelfT), "::min_value(), 0);", $EndFeature, " +", $Feature, "assert_eq!(", stringify!($SelfT), "::MIN, 0);", $EndFeature, " ```"), - #[stable(feature = "rust1", since = "1.0.0")] - #[rustc_promotable] - #[inline(always)] - #[rustc_const_stable(feature = "const_min_value", since = "1.32.0")] - pub const fn min_value() -> Self { 0 } + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const MIN: Self = 0; } doc_comment! { - concat!("Returns the largest value that can be represented by this integer type. + concat!("The largest value that can be represented by this integer type. # Examples Basic usage: ``` -", $Feature, "assert_eq!(", stringify!($SelfT), "::max_value(), ", -stringify!($MaxV), ");", $EndFeature, " +", $Feature, "assert_eq!(", stringify!($SelfT), "::MAX, ", stringify!($MaxV), ");", +$EndFeature, " ```"), + #[stable(feature = "assoc_int_consts", since = "1.42.0")] + pub const MAX: Self = !0; + } + + doc_comment! { + "Returns the smallest value that can be represented by this integer type.", #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant MIN")] #[rustc_promotable] #[inline(always)] #[rustc_const_stable(feature = "const_max_value", since = "1.32.0")] - pub const fn max_value() -> Self { !0 } + pub const fn min_value() -> Self { Self::MIN } + } + + doc_comment! { + "Returns the largest value that can be represented by this integer type.", + #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant MAX")] + #[rustc_promotable] + #[inline(always)] + #[rustc_const_stable(feature = "const_max_value", since = "1.32.0")] + pub const fn max_value() -> Self { Self::MAX } } doc_comment! { @@ -2431,7 +2459,7 @@ assert_eq!(n.count_ones(), 3);", $EndFeature, " Basic usage: ``` -", $Feature, "assert_eq!(", stringify!($SelfT), "::max_value().count_zeros(), 0);", $EndFeature, " +", $Feature, "assert_eq!(", stringify!($SelfT), "::MAX.count_zeros(), 0);", $EndFeature, " ```"), #[stable(feature = "rust1", since = "1.0.0")] #[rustc_const_stable(feature = "const_math", since = "1.32.0")] @@ -2449,7 +2477,7 @@ Basic usage: Basic usage: ``` -", $Feature, "let n = ", stringify!($SelfT), "::max_value() >> 2; +", $Feature, "let n = ", stringify!($SelfT), "::MAX >> 2; assert_eq!(n.leading_zeros(), 2);", $EndFeature, " ```"), @@ -2724,9 +2752,9 @@ if overflow occurred. Basic usage: ``` -", $Feature, "assert_eq!((", stringify!($SelfT), "::max_value() - 2).checked_add(1), ", -"Some(", stringify!($SelfT), "::max_value() - 1)); -assert_eq!((", stringify!($SelfT), "::max_value() - 2).checked_add(3), None);", $EndFeature, " +", $Feature, "assert_eq!((", stringify!($SelfT), "::MAX - 2).checked_add(1), ", +"Some(", stringify!($SelfT), "::MAX - 1)); +assert_eq!((", stringify!($SelfT), "::MAX - 2).checked_add(3), None);", $EndFeature, " ```"), #[stable(feature = "rust1", since = "1.0.0")] #[must_use = "this returns the result of the operation, \ @@ -2770,7 +2798,7 @@ Basic usage: ``` ", $Feature, "assert_eq!(5", stringify!($SelfT), ".checked_mul(1), Some(5)); -assert_eq!(", stringify!($SelfT), "::max_value().checked_mul(2), None);", $EndFeature, " +assert_eq!(", stringify!($SelfT), "::MAX.checked_mul(2), None);", $EndFeature, " ```"), #[stable(feature = "rust1", since = "1.0.0")] #[must_use = "this returns the result of the operation, \ @@ -2962,7 +2990,7 @@ Basic usage: ``` ", $Feature, "assert_eq!(2", stringify!($SelfT), ".checked_pow(5), Some(32)); -assert_eq!(", stringify!($SelfT), "::max_value().checked_pow(2), None);", $EndFeature, " +assert_eq!(", stringify!($SelfT), "::MAX.checked_pow(2), None);", $EndFeature, " ```"), #[stable(feature = "no_panic_pow", since = "1.34.0")] #[must_use = "this returns the result of the operation, \ @@ -3056,7 +3084,7 @@ assert_eq!((", stringify!($SelfT), "::MAX).saturating_mul(10), ", stringify!($Se without modifying the original"] #[inline] pub fn saturating_mul(self, rhs: Self) -> Self { - self.checked_mul(rhs).unwrap_or(Self::max_value()) + self.checked_mul(rhs).unwrap_or(Self::MAX) } } @@ -3082,7 +3110,7 @@ $EndFeature, " pub fn saturating_pow(self, exp: u32) -> Self { match self.checked_pow(exp) { Some(x) => x, - None => Self::max_value(), + None => Self::MAX, } } } @@ -3097,7 +3125,7 @@ Basic usage: ``` ", $Feature, "assert_eq!(200", stringify!($SelfT), ".wrapping_add(55), 255); -assert_eq!(200", stringify!($SelfT), ".wrapping_add(", stringify!($SelfT), "::max_value()), 199);", +assert_eq!(200", stringify!($SelfT), ".wrapping_add(", stringify!($SelfT), "::MAX), 199);", $EndFeature, " ```"), #[stable(feature = "rust1", since = "1.0.0")] @@ -3120,7 +3148,7 @@ Basic usage: ``` ", $Feature, "assert_eq!(100", stringify!($SelfT), ".wrapping_sub(100), 0); -assert_eq!(100", stringify!($SelfT), ".wrapping_sub(", stringify!($SelfT), "::max_value()), 101);", +assert_eq!(100", stringify!($SelfT), ".wrapping_sub(", stringify!($SelfT), "::MAX), 101);", $EndFeature, " ```"), #[stable(feature = "rust1", since = "1.0.0")] @@ -3855,7 +3883,7 @@ assert!(!10", stringify!($SelfT), ".is_power_of_two());", $EndFeature, " // (such as intel pre-haswell) have more efficient ctlz // intrinsics when the argument is non-zero. let z = unsafe { intrinsics::ctlz_nonzero(p) }; - <$SelfT>::max_value() >> z + <$SelfT>::MAX >> z } doc_comment! { @@ -3894,7 +3922,7 @@ Basic usage: ", $Feature, "assert_eq!(2", stringify!($SelfT), ".checked_next_power_of_two(), Some(2)); assert_eq!(3", stringify!($SelfT), ".checked_next_power_of_two(), Some(4)); -assert_eq!(", stringify!($SelfT), "::max_value().checked_next_power_of_two(), None);", +assert_eq!(", stringify!($SelfT), "::MAX.checked_next_power_of_two(), None);", $EndFeature, " ```"), #[inline] @@ -3918,7 +3946,7 @@ Basic usage: ", $Feature, " assert_eq!(2", stringify!($SelfT), ".wrapping_next_power_of_two(), 2); assert_eq!(3", stringify!($SelfT), ".wrapping_next_power_of_two(), 4); -assert_eq!(", stringify!($SelfT), "::max_value().wrapping_next_power_of_two(), 0);", +assert_eq!(", stringify!($SelfT), "::MAX.wrapping_next_power_of_two(), 0);", $EndFeature, " ```"), #[unstable(feature = "wrapping_next_power_of_two", issue = "32463", @@ -4799,8 +4827,8 @@ impl From for TryFromIntError { #[doc(hidden)] trait FromStrRadixHelper: PartialOrd + Copy { - fn min_value() -> Self; - fn max_value() -> Self; + const MIN: Self; + const MAX: Self; fn from_u32(u: u32) -> Self; fn checked_mul(&self, other: u32) -> Option; fn checked_sub(&self, other: u32) -> Option; @@ -4809,10 +4837,8 @@ trait FromStrRadixHelper: PartialOrd + Copy { macro_rules! doit { ($($t:ty)*) => ($(impl FromStrRadixHelper for $t { - #[inline] - fn min_value() -> Self { Self::min_value() } - #[inline] - fn max_value() -> Self { Self::max_value() } + const MIN: Self = Self::MIN; + const MAX: Self = Self::MAX; #[inline] fn from_u32(u: u32) -> Self { u as Self } #[inline] @@ -4845,7 +4871,7 @@ fn from_str_radix(src: &str, radix: u32) -> Result T::min_value(); + let is_signed_ty = T::from_u32(0) > T::MIN; // all valid digits are ascii, so we will just iterate over the utf8 bytes // and cast them to chars. .to_digit() will safely return None for anything diff --git a/src/libcore/num/uint_macros.rs b/src/libcore/num/uint_macros.rs index a94b541ddb907..d381f10a11b30 100644 --- a/src/libcore/num/uint_macros.rs +++ b/src/libcore/num/uint_macros.rs @@ -5,9 +5,11 @@ macro_rules! uint_module { ($T:ident, #[$attr:meta]) => ( /// The smallest value that can be represented by this integer type. #[$attr] - pub const MIN: $T = $T::min_value(); + #[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant MIN")] + pub const MIN: $T = $T::MIN; /// The largest value that can be represented by this integer type. #[$attr] - pub const MAX: $T = $T::max_value(); + #[rustc_deprecated(since = "1.42.0", reason = "replaced by associated constant MAX")] + pub const MAX: $T = $T::MAX; ) } diff --git a/src/libcore/num/wrapping.rs b/src/libcore/num/wrapping.rs index 82fa6acfbd62a..755773ca2615d 100644 --- a/src/libcore/num/wrapping.rs +++ b/src/libcore/num/wrapping.rs @@ -337,13 +337,13 @@ Basic usage: #![feature(wrapping_int_impl)] use std::num::Wrapping; -assert_eq!(>::min_value(), ", -"Wrapping(", stringify!($t), "::min_value())); +assert_eq!(>::MIN, ", +"Wrapping(", stringify!($t), "::MIN)); ```"), #[unstable(feature = "wrapping_int_impl", issue = "32463")] #[inline] pub const fn min_value() -> Self { - Wrapping(<$t>::min_value()) + Wrapping(<$t>::MIN) } } @@ -358,13 +358,13 @@ Basic usage: #![feature(wrapping_int_impl)] use std::num::Wrapping; -assert_eq!(>::max_value(), ", -"Wrapping(", stringify!($t), "::max_value())); +assert_eq!(>::MAX, ", +"Wrapping(", stringify!($t), "::MAX)); ```"), #[unstable(feature = "wrapping_int_impl", issue = "32463")] #[inline] pub const fn max_value() -> Self { - Wrapping(<$t>::max_value()) + Wrapping(<$t>::MAX) } } @@ -702,7 +702,7 @@ Basic usage: #![feature(wrapping_int_impl)] use std::num::Wrapping; -let n = Wrapping(", stringify!($t), "::max_value()) >> 2; +let n = Wrapping(", stringify!($t), "::MAX) >> 2; assert_eq!(n.leading_zeros(), 3); ```"), @@ -731,8 +731,8 @@ use std::num::Wrapping; assert_eq!(Wrapping(100", stringify!($t), ").abs(), Wrapping(100)); assert_eq!(Wrapping(-100", stringify!($t), ").abs(), Wrapping(100)); -assert_eq!(Wrapping(", stringify!($t), "::min_value()).abs(), Wrapping(", stringify!($t), -"::min_value())); +assert_eq!(Wrapping(", stringify!($t), "::MIN).abs(), Wrapping(", stringify!($t), +"::MIN)); assert_eq!(Wrapping(-128i8).abs().0 as u8, 128u8); ```"), #[inline] @@ -831,7 +831,7 @@ Basic usage: #![feature(wrapping_int_impl)] use std::num::Wrapping; -let n = Wrapping(", stringify!($t), "::max_value()) >> 2; +let n = Wrapping(", stringify!($t), "::MAX) >> 2; assert_eq!(n.leading_zeros(), 2); ```"), diff --git a/src/libcore/ptr/const_ptr.rs b/src/libcore/ptr/const_ptr.rs index fc3c02e1f066d..cea8f62248f6c 100644 --- a/src/libcore/ptr/const_ptr.rs +++ b/src/libcore/ptr/const_ptr.rs @@ -288,7 +288,7 @@ impl *const T { T: Sized, { let pointee_size = mem::size_of::(); - assert!(0 < pointee_size && pointee_size <= isize::max_value() as usize); + assert!(0 < pointee_size && pointee_size <= isize::MAX as usize); intrinsics::ptr_offset_from(self, origin) } @@ -333,7 +333,7 @@ impl *const T { T: Sized, { let pointee_size = mem::size_of::(); - assert!(0 < pointee_size && pointee_size <= isize::max_value() as usize); + assert!(0 < pointee_size && pointee_size <= isize::MAX as usize); let d = isize::wrapping_sub(self as _, origin as _); d.wrapping_div(pointee_size as _) diff --git a/src/libcore/ptr/mod.rs b/src/libcore/ptr/mod.rs index d7b351f13458a..c0133a3a13867 100644 --- a/src/libcore/ptr/mod.rs +++ b/src/libcore/ptr/mod.rs @@ -1090,7 +1090,7 @@ pub(crate) unsafe fn align_offset(p: *const T, a: usize) -> usize { // // Note, that we use wrapping operations here intentionally – the original formula // uses e.g., subtraction `mod n`. It is entirely fine to do them `mod - // usize::max_value()` instead, because we take the result `mod n` at the end + // usize::MAX` instead, because we take the result `mod n` at the end // anyway. inverse = inverse.wrapping_mul(2usize.wrapping_sub(x.wrapping_mul(inverse))) & (going_mod - 1); @@ -1149,7 +1149,7 @@ pub(crate) unsafe fn align_offset(p: *const T, a: usize) -> usize { } // Cannot be aligned at all. - usize::max_value() + usize::MAX } /// Compares raw pointers for equality. diff --git a/src/libcore/slice/memchr.rs b/src/libcore/slice/memchr.rs index 2a2169dd348c2..3b13ed5fed396 100644 --- a/src/libcore/slice/memchr.rs +++ b/src/libcore/slice/memchr.rs @@ -34,7 +34,7 @@ fn repeat_byte(b: u8) -> usize { #[cfg(not(target_pointer_width = "16"))] #[inline] fn repeat_byte(b: u8) -> usize { - (b as usize) * (crate::usize::MAX / 255) + (b as usize) * (usize::MAX / 255) } /// Returns the first index matching the byte `x` in `text`. diff --git a/src/libcore/slice/mod.rs b/src/libcore/slice/mod.rs index 9b4d201573238..c47ea20bebc0b 100644 --- a/src/libcore/slice/mod.rs +++ b/src/libcore/slice/mod.rs @@ -27,7 +27,6 @@ use crate::cmp; use crate::cmp::Ordering::{self, Equal, Greater, Less}; use crate::fmt; use crate::intrinsics::{assume, exact_div, is_aligned_and_not_null, unchecked_sub}; -use crate::isize; use crate::iter::*; use crate::marker::{self, Copy, Send, Sized, Sync}; use crate::mem; @@ -2962,16 +2961,12 @@ impl SliceIndex<[T]> for ops::RangeInclusive { #[inline] fn get(self, slice: &[T]) -> Option<&[T]> { - if *self.end() == usize::max_value() { - None - } else { - (*self.start()..self.end() + 1).get(slice) - } + if *self.end() == usize::MAX { None } else { (*self.start()..self.end() + 1).get(slice) } } #[inline] fn get_mut(self, slice: &mut [T]) -> Option<&mut [T]> { - if *self.end() == usize::max_value() { + if *self.end() == usize::MAX { None } else { (*self.start()..self.end() + 1).get_mut(slice) @@ -2990,7 +2985,7 @@ impl SliceIndex<[T]> for ops::RangeInclusive { #[inline] fn index(self, slice: &[T]) -> &[T] { - if *self.end() == usize::max_value() { + if *self.end() == usize::MAX { slice_index_overflow_fail(); } (*self.start()..self.end() + 1).index(slice) @@ -2998,7 +2993,7 @@ impl SliceIndex<[T]> for ops::RangeInclusive { #[inline] fn index_mut(self, slice: &mut [T]) -> &mut [T] { - if *self.end() == usize::max_value() { + if *self.end() == usize::MAX { slice_index_overflow_fail(); } (*self.start()..self.end() + 1).index_mut(slice) diff --git a/src/libcore/str/mod.rs b/src/libcore/str/mod.rs index ab771b1164bad..88724924bfc9c 100644 --- a/src/libcore/str/mod.rs +++ b/src/libcore/str/mod.rs @@ -1576,7 +1576,7 @@ fn run_utf8_validation(v: &[u8]) -> Result<(), Utf8Error> { // Ascii case, try to skip forward quickly. // When the pointer is aligned, read 2 words of data per iteration // until we find a word containing a non-ascii byte. - if align != usize::max_value() && align.wrapping_sub(index) % usize_bytes == 0 { + if align != usize::MAX && align.wrapping_sub(index) % usize_bytes == 0 { let ptr = v.as_ptr(); while index < blocks_end { unsafe { @@ -1996,7 +1996,7 @@ mod traits { type Output = str; #[inline] fn get(self, slice: &str) -> Option<&Self::Output> { - if *self.end() == usize::max_value() { + if *self.end() == usize::MAX { None } else { (*self.start()..self.end() + 1).get(slice) @@ -2004,7 +2004,7 @@ mod traits { } #[inline] fn get_mut(self, slice: &mut str) -> Option<&mut Self::Output> { - if *self.end() == usize::max_value() { + if *self.end() == usize::MAX { None } else { (*self.start()..self.end() + 1).get_mut(slice) @@ -2020,14 +2020,14 @@ mod traits { } #[inline] fn index(self, slice: &str) -> &Self::Output { - if *self.end() == usize::max_value() { + if *self.end() == usize::MAX { str_index_overflow_fail(); } (*self.start()..self.end() + 1).index(slice) } #[inline] fn index_mut(self, slice: &mut str) -> &mut Self::Output { - if *self.end() == usize::max_value() { + if *self.end() == usize::MAX { str_index_overflow_fail(); } (*self.start()..self.end() + 1).index_mut(slice) @@ -2053,11 +2053,11 @@ mod traits { type Output = str; #[inline] fn get(self, slice: &str) -> Option<&Self::Output> { - if self.end == usize::max_value() { None } else { (..self.end + 1).get(slice) } + if self.end == usize::MAX { None } else { (..self.end + 1).get(slice) } } #[inline] fn get_mut(self, slice: &mut str) -> Option<&mut Self::Output> { - if self.end == usize::max_value() { None } else { (..self.end + 1).get_mut(slice) } + if self.end == usize::MAX { None } else { (..self.end + 1).get_mut(slice) } } #[inline] unsafe fn get_unchecked(self, slice: &str) -> &Self::Output { @@ -2069,14 +2069,14 @@ mod traits { } #[inline] fn index(self, slice: &str) -> &Self::Output { - if self.end == usize::max_value() { + if self.end == usize::MAX { str_index_overflow_fail(); } (..self.end + 1).index(slice) } #[inline] fn index_mut(self, slice: &mut str) -> &mut Self::Output { - if self.end == usize::max_value() { + if self.end == usize::MAX { str_index_overflow_fail(); } (..self.end + 1).index_mut(slice) diff --git a/src/libcore/str/pattern.rs b/src/libcore/str/pattern.rs index 2cbdeb2e4eed8..40c54ab89d284 100644 --- a/src/libcore/str/pattern.rs +++ b/src/libcore/str/pattern.rs @@ -14,7 +14,6 @@ use crate::cmp; use crate::fmt; use crate::slice::memchr; -use crate::usize; // Pattern diff --git a/src/libcore/tests/iter.rs b/src/libcore/tests/iter.rs index 8b8dc941534ee..8cb399b9ea408 100644 --- a/src/libcore/tests/iter.rs +++ b/src/libcore/tests/iter.rs @@ -1,8 +1,6 @@ use core::cell::Cell; use core::convert::TryFrom; use core::iter::*; -use core::usize; -use core::{i16, i8, isize}; #[test] fn test_lt() { @@ -76,7 +74,6 @@ fn test_cmp_by() { #[test] fn test_partial_cmp_by() { use core::cmp::Ordering; - use core::f64; let f = |x: i32, y: i32| (x * x).partial_cmp(&y); let xs = || [1, 2, 3, 4].iter().copied(); @@ -2231,62 +2228,57 @@ fn test_range_inclusive_folds() { #[test] fn test_range_size_hint() { - use core::usize::MAX as UMAX; assert_eq!((0..0usize).size_hint(), (0, Some(0))); assert_eq!((0..100usize).size_hint(), (100, Some(100))); - assert_eq!((0..UMAX).size_hint(), (UMAX, Some(UMAX))); + assert_eq!((0..usize::MAX).size_hint(), (usize::MAX, Some(usize::MAX))); - let umax = u128::try_from(UMAX).unwrap(); + let umax = u128::try_from(usize::MAX).unwrap(); assert_eq!((0..0u128).size_hint(), (0, Some(0))); assert_eq!((0..100u128).size_hint(), (100, Some(100))); - assert_eq!((0..umax).size_hint(), (UMAX, Some(UMAX))); - assert_eq!((0..umax + 1).size_hint(), (UMAX, None)); + assert_eq!((0..umax).size_hint(), (usize::MAX, Some(usize::MAX))); + assert_eq!((0..umax + 1).size_hint(), (usize::MAX, None)); - use core::isize::{MAX as IMAX, MIN as IMIN}; assert_eq!((0..0isize).size_hint(), (0, Some(0))); assert_eq!((-100..100isize).size_hint(), (200, Some(200))); - assert_eq!((IMIN..IMAX).size_hint(), (UMAX, Some(UMAX))); + assert_eq!((isize::MIN..isize::MAX).size_hint(), (usize::MAX, Some(usize::MAX))); - let imin = i128::try_from(IMIN).unwrap(); - let imax = i128::try_from(IMAX).unwrap(); + let imin = i128::try_from(isize::MIN).unwrap(); + let imax = i128::try_from(isize::MAX).unwrap(); assert_eq!((0..0i128).size_hint(), (0, Some(0))); assert_eq!((-100..100i128).size_hint(), (200, Some(200))); - assert_eq!((imin..imax).size_hint(), (UMAX, Some(UMAX))); - assert_eq!((imin..imax + 1).size_hint(), (UMAX, None)); + assert_eq!((imin..imax).size_hint(), (usize::MAX, Some(usize::MAX))); + assert_eq!((imin..imax + 1).size_hint(), (usize::MAX, None)); } #[test] fn test_range_inclusive_size_hint() { - use core::usize::MAX as UMAX; assert_eq!((1..=0usize).size_hint(), (0, Some(0))); assert_eq!((0..=0usize).size_hint(), (1, Some(1))); assert_eq!((0..=100usize).size_hint(), (101, Some(101))); - assert_eq!((0..=UMAX - 1).size_hint(), (UMAX, Some(UMAX))); - assert_eq!((0..=UMAX).size_hint(), (UMAX, None)); + assert_eq!((0..=usize::MAX - 1).size_hint(), (usize::MAX, Some(usize::MAX))); + assert_eq!((0..=usize::MAX).size_hint(), (usize::MAX, None)); - let umax = u128::try_from(UMAX).unwrap(); assert_eq!((1..=0u128).size_hint(), (0, Some(0))); assert_eq!((0..=0u128).size_hint(), (1, Some(1))); assert_eq!((0..=100u128).size_hint(), (101, Some(101))); - assert_eq!((0..=umax - 1).size_hint(), (UMAX, Some(UMAX))); - assert_eq!((0..=umax).size_hint(), (UMAX, None)); - assert_eq!((0..=umax + 1).size_hint(), (UMAX, None)); + assert_eq!((0..=umax - 1).size_hint(), (usize::MAX, Some(usize::MAX))); + assert_eq!((0..=umax).size_hint(), (usize::MAX, None)); + assert_eq!((0..=umax + 1).size_hint(), (usize::MAX, None)); - use core::isize::{MAX as IMAX, MIN as IMIN}; assert_eq!((0..=-1isize).size_hint(), (0, Some(0))); assert_eq!((0..=0isize).size_hint(), (1, Some(1))); assert_eq!((-100..=100isize).size_hint(), (201, Some(201))); - assert_eq!((IMIN..=IMAX - 1).size_hint(), (UMAX, Some(UMAX))); - assert_eq!((IMIN..=IMAX).size_hint(), (UMAX, None)); + assert_eq!((isize::MIN..=isize::MAX - 1).size_hint(), (usize::MAX, Some(usize::MAX))); + assert_eq!((isize::MIN..=isize::MAX).size_hint(), (usize::MAX, None)); - let imin = i128::try_from(IMIN).unwrap(); - let imax = i128::try_from(IMAX).unwrap(); + let imin = i128::try_from(isize::MIN).unwrap(); + let imax = i128::try_from(isize::MAX).unwrap(); assert_eq!((0..=-1i128).size_hint(), (0, Some(0))); assert_eq!((0..=0i128).size_hint(), (1, Some(1))); assert_eq!((-100..=100i128).size_hint(), (201, Some(201))); - assert_eq!((imin..=imax - 1).size_hint(), (UMAX, Some(UMAX))); - assert_eq!((imin..=imax).size_hint(), (UMAX, None)); - assert_eq!((imin..=imax + 1).size_hint(), (UMAX, None)); + assert_eq!((imin..=imax - 1).size_hint(), (usize::MAX, Some(usize::MAX))); + assert_eq!((imin..=imax).size_hint(), (usize::MAX, None)); + assert_eq!((imin..=imax + 1).size_hint(), (usize::MAX, None)); } #[test] diff --git a/src/libcore/tests/num/int_macros.rs b/src/libcore/tests/num/int_macros.rs index 4a44b5f24b910..bfd12f05a63e8 100644 --- a/src/libcore/tests/num/int_macros.rs +++ b/src/libcore/tests/num/int_macros.rs @@ -2,7 +2,6 @@ macro_rules! int_module { ($T:ident, $T_i:ident) => { #[cfg(test)] mod tests { - use core::isize; use core::mem; use core::ops::{BitAnd, BitOr, BitXor, Not, Shl, Shr}; use core::$T_i::*; diff --git a/src/libcore/tests/num/mod.rs b/src/libcore/tests/num/mod.rs index f61793a3bca81..e7ee674cde67e 100644 --- a/src/libcore/tests/num/mod.rs +++ b/src/libcore/tests/num/mod.rs @@ -140,8 +140,8 @@ macro_rules! test_impl_from { ($fn_name: ident, $Small: ty, $Large: ty) => { #[test] fn $fn_name() { - let small_max = <$Small>::max_value(); - let small_min = <$Small>::min_value(); + let small_max = <$Small>::MAX; + let small_min = <$Small>::MIN; let large_max: $Large = small_max.into(); let large_min: $Large = small_min.into(); assert_eq!(large_max as $Small, small_max); @@ -205,8 +205,6 @@ test_impl_from! { test_u32f64, u32, f64 } // Float -> Float #[test] fn test_f32f64() { - use core::f32; - let max: f64 = f32::MAX.into(); assert_eq!(max as f32, f32::MAX); assert!(max.is_normal()); @@ -250,8 +248,8 @@ macro_rules! test_impl_try_from_always_ok { ($fn_name:ident, $source:ty, $target: ty) => { #[test] fn $fn_name() { - let max = <$source>::max_value(); - let min = <$source>::min_value(); + let max = <$source>::MAX; + let min = <$source>::MIN; let zero: $source = 0; assert_eq!(<$target as TryFrom<$source>>::try_from(max).unwrap(), max as $target); assert_eq!(<$target as TryFrom<$source>>::try_from(min).unwrap(), min as $target); @@ -363,8 +361,8 @@ macro_rules! test_impl_try_from_signed_to_unsigned_upper_ok { ($fn_name:ident, $source:ty, $target:ty) => { #[test] fn $fn_name() { - let max = <$source>::max_value(); - let min = <$source>::min_value(); + let max = <$source>::MAX; + let min = <$source>::MIN; let zero: $source = 0; let neg_one: $source = -1; assert_eq!(<$target as TryFrom<$source>>::try_from(max).unwrap(), max as $target); @@ -428,8 +426,8 @@ macro_rules! test_impl_try_from_unsigned_to_signed_upper_err { ($fn_name:ident, $source:ty, $target:ty) => { #[test] fn $fn_name() { - let max = <$source>::max_value(); - let min = <$source>::min_value(); + let max = <$source>::MAX; + let min = <$source>::MIN; let zero: $source = 0; assert!(<$target as TryFrom<$source>>::try_from(max).is_err()); assert_eq!(<$target as TryFrom<$source>>::try_from(min).unwrap(), min as $target); @@ -489,11 +487,11 @@ macro_rules! test_impl_try_from_same_sign_err { ($fn_name:ident, $source:ty, $target:ty) => { #[test] fn $fn_name() { - let max = <$source>::max_value(); - let min = <$source>::min_value(); + let max = <$source>::MAX; + let min = <$source>::MIN; let zero: $source = 0; - let t_max = <$target>::max_value(); - let t_min = <$target>::min_value(); + let t_max = <$target>::MAX; + let t_min = <$target>::MIN; assert!(<$target as TryFrom<$source>>::try_from(max).is_err()); if min != 0 { assert!(<$target as TryFrom<$source>>::try_from(min).is_err()); @@ -578,11 +576,11 @@ macro_rules! test_impl_try_from_signed_to_unsigned_err { ($fn_name:ident, $source:ty, $target:ty) => { #[test] fn $fn_name() { - let max = <$source>::max_value(); - let min = <$source>::min_value(); + let max = <$source>::MAX; + let min = <$source>::MIN; let zero: $source = 0; - let t_max = <$target>::max_value(); - let t_min = <$target>::min_value(); + let t_max = <$target>::MAX; + let t_min = <$target>::MIN; assert!(<$target as TryFrom<$source>>::try_from(max).is_err()); assert!(<$target as TryFrom<$source>>::try_from(min).is_err()); assert_eq!(<$target as TryFrom<$source>>::try_from(zero).unwrap(), zero as $target); diff --git a/src/libcore/tests/ops.rs b/src/libcore/tests/ops.rs index 43eb498d26ab1..3c83f0f230003 100644 --- a/src/libcore/tests/ops.rs +++ b/src/libcore/tests/ops.rs @@ -61,25 +61,23 @@ fn test_range_inclusive() { #[test] fn test_range_is_empty() { - use core::f32::*; - assert!(!(0.0..10.0).is_empty()); assert!((-0.0..0.0).is_empty()); assert!((10.0..0.0).is_empty()); - assert!(!(NEG_INFINITY..INFINITY).is_empty()); - assert!((EPSILON..NAN).is_empty()); - assert!((NAN..EPSILON).is_empty()); - assert!((NAN..NAN).is_empty()); + assert!(!(f32::NEG_INFINITY..f32::INFINITY).is_empty()); + assert!((f32::EPSILON..f32::NAN).is_empty()); + assert!((f32::NAN..f32::EPSILON).is_empty()); + assert!((f32::NAN..f32::NAN).is_empty()); assert!(!(0.0..=10.0).is_empty()); assert!(!(-0.0..=0.0).is_empty()); assert!((10.0..=0.0).is_empty()); - assert!(!(NEG_INFINITY..=INFINITY).is_empty()); - assert!((EPSILON..=NAN).is_empty()); - assert!((NAN..=EPSILON).is_empty()); - assert!((NAN..=NAN).is_empty()); + assert!(!(f32::NEG_INFINITY..=f32::INFINITY).is_empty()); + assert!((f32::EPSILON..=f32::NAN).is_empty()); + assert!((f32::NAN..=f32::EPSILON).is_empty()); + assert!((f32::NAN..=f32::NAN).is_empty()); } #[test] diff --git a/src/libcore/tests/ptr.rs b/src/libcore/tests/ptr.rs index a008b3319f39a..9fea34d668fcc 100644 --- a/src/libcore/tests/ptr.rs +++ b/src/libcore/tests/ptr.rs @@ -357,7 +357,7 @@ fn align_offset_weird_strides() { unsafe fn test_weird_stride(ptr: *const T, align: usize) -> bool { let numptr = ptr as usize; - let mut expected = usize::max_value(); + let mut expected = usize::MAX; // Naive but definitely correct way to find the *first* aligned element of stride::. for el in 0..align { if (numptr + el * ::std::mem::size_of::()) % align == 0 { diff --git a/src/libcore/tests/slice.rs b/src/libcore/tests/slice.rs index cc274b4aecf54..ada895fa43fcb 100644 --- a/src/libcore/tests/slice.rs +++ b/src/libcore/tests/slice.rs @@ -1685,8 +1685,8 @@ fn test_copy_within_panics_src_inverted() { #[should_panic(expected = "attempted to index slice up to maximum usize")] fn test_copy_within_panics_src_out_of_bounds() { let mut bytes = *b"Hello, World!"; - // an inclusive range ending at usize::max_value() would make src_end overflow - bytes.copy_within(usize::max_value()..=usize::max_value(), 0); + // an inclusive range ending at usize::MAX would make src_end overflow + bytes.copy_within(usize::MAX..=usize::MAX, 0); } #[test] diff --git a/src/libcore/time.rs b/src/libcore/time.rs index 2ece2150e6bed..724cb0d8c1dab 100644 --- a/src/libcore/time.rs +++ b/src/libcore/time.rs @@ -12,9 +12,9 @@ //! assert_eq!(Duration::new(5, 0), Duration::from_secs(5)); //! ``` +use crate::fmt; use crate::iter::Sum; use crate::ops::{Add, AddAssign, Div, DivAssign, Mul, MulAssign, Sub, SubAssign}; -use crate::{fmt, u64}; const NANOS_PER_SEC: u32 = 1_000_000_000; const NANOS_PER_MILLI: u32 = 1_000_000; diff --git a/src/librustc/dep_graph/graph.rs b/src/librustc/dep_graph/graph.rs index 0d03c834e0f7b..e9084d9b05c30 100644 --- a/src/librustc/dep_graph/graph.rs +++ b/src/librustc/dep_graph/graph.rs @@ -508,7 +508,7 @@ impl DepGraph { edge_list_indices.push((start, end)); } - debug_assert!(edge_list_data.len() <= ::std::u32::MAX as usize); + debug_assert!(edge_list_data.len() <= u32::MAX as usize); debug_assert_eq!(edge_list_data.len(), total_edge_count); SerializedDepGraph { nodes, fingerprints, edge_list_indices, edge_list_data } diff --git a/src/librustc/infer/type_variable.rs b/src/librustc/infer/type_variable.rs index 27bcb63fe15fe..59a894e43d1b0 100644 --- a/src/librustc/infer/type_variable.rs +++ b/src/librustc/infer/type_variable.rs @@ -8,7 +8,6 @@ use rustc_data_structures::unify as ut; use std::cmp; use std::marker::PhantomData; use std::ops::Range; -use std::u32; pub struct TypeVariableTable<'tcx> { values: sv::SnapshotVec, diff --git a/src/librustc/mir/interpret/allocation.rs b/src/librustc/mir/interpret/allocation.rs index a06b23367e6da..886adc61c2b38 100644 --- a/src/librustc/mir/interpret/allocation.rs +++ b/src/librustc/mir/interpret/allocation.rs @@ -818,9 +818,9 @@ impl UndefMask { // First set all bits except the first `bita`, // then unset the last `64 - bitb` bits. let range = if bitb == 0 { - u64::max_value() << bita + u64::MAX << bita } else { - (u64::max_value() << bita) & (u64::max_value() >> (64 - bitb)) + (u64::MAX << bita) & (u64::MAX >> (64 - bitb)) }; if new_state { self.blocks[blocka] |= range; @@ -832,21 +832,21 @@ impl UndefMask { // across block boundaries if new_state { // Set `bita..64` to `1`. - self.blocks[blocka] |= u64::max_value() << bita; + self.blocks[blocka] |= u64::MAX << bita; // Set `0..bitb` to `1`. if bitb != 0 { - self.blocks[blockb] |= u64::max_value() >> (64 - bitb); + self.blocks[blockb] |= u64::MAX >> (64 - bitb); } // Fill in all the other blocks (much faster than one bit at a time). for block in (blocka + 1)..blockb { - self.blocks[block] = u64::max_value(); + self.blocks[block] = u64::MAX; } } else { // Set `bita..64` to `0`. - self.blocks[blocka] &= !(u64::max_value() << bita); + self.blocks[blocka] &= !(u64::MAX << bita); // Set `0..bitb` to `0`. if bitb != 0 { - self.blocks[blockb] &= !(u64::max_value() >> (64 - bitb)); + self.blocks[blockb] &= !(u64::MAX >> (64 - bitb)); } // Fill in all the other blocks (much faster than one bit at a time). for block in (blocka + 1)..blockb { diff --git a/src/librustc/mir/interpret/pointer.rs b/src/librustc/mir/interpret/pointer.rs index 9b0399e22c59c..e1dc3488825e6 100644 --- a/src/librustc/mir/interpret/pointer.rs +++ b/src/librustc/mir/interpret/pointer.rs @@ -78,9 +78,9 @@ pub trait PointerArithmetic: layout::HasDataLayout { fn overflowing_signed_offset(&self, val: u64, i: i128) -> (u64, bool) { // FIXME: is it possible to over/underflow here? if i < 0 { - // Trickery to ensure that `i64::min_value()` works fine: compute `n = -i`. + // Trickery to ensure that `i64::MIN` works fine: compute `n = -i`. // This formula only works for true negative values; it overflows for zero! - let n = u64::max_value() - (i as u64) + 1; + let n = u64::MAX - (i as u64) + 1; let res = val.overflowing_sub(n); self.truncate_to_ptr(res) } else { diff --git a/src/librustc/mir/mod.rs b/src/librustc/mir/mod.rs index a293fd128bdb0..841ff4474f5c6 100644 --- a/src/librustc/mir/mod.rs +++ b/src/librustc/mir/mod.rs @@ -34,7 +34,7 @@ use std::borrow::Cow; use std::fmt::{self, Debug, Display, Formatter, Write}; use std::ops::Index; use std::slice; -use std::{iter, mem, option, u32}; +use std::{iter, mem, option}; pub use syntax::ast::Mutability; use syntax::ast::Name; diff --git a/src/librustc/traits/object_safety.rs b/src/librustc/traits/object_safety.rs index 30ffdc23d9893..398f00aa22986 100644 --- a/src/librustc/traits/object_safety.rs +++ b/src/librustc/traits/object_safety.rs @@ -564,7 +564,7 @@ impl<'tcx> TyCtxt<'tcx> { // FIXME(mikeyhew) this is a total hack. Once object_safe_for_dispatch is stabilized, we can // replace this with `dyn Trait` let unsized_self_ty: Ty<'tcx> = - self.mk_ty_param(::std::u32::MAX, Symbol::intern("RustaceansAreAwesome")); + self.mk_ty_param(u32::MAX, Symbol::intern("RustaceansAreAwesome")); // `Receiver[Self => U]` let unsized_receiver_ty = diff --git a/src/librustc/traits/select.rs b/src/librustc/traits/select.rs index 0d35ad2a4cdda..92322036fec0a 100644 --- a/src/librustc/traits/select.rs +++ b/src/librustc/traits/select.rs @@ -3920,11 +3920,7 @@ struct ProvisionalEvaluation { impl<'tcx> Default for ProvisionalEvaluationCache<'tcx> { fn default() -> Self { - Self { - dfn: Cell::new(0), - reached_depth: Cell::new(std::usize::MAX), - map: Default::default(), - } + Self { dfn: Cell::new(0), reached_depth: Cell::new(usize::MAX), map: Default::default() } } } @@ -4023,7 +4019,7 @@ impl<'tcx> ProvisionalEvaluationCache<'tcx> { op(fresh_trait_ref, eval.result); } - self.reached_depth.set(std::usize::MAX); + self.reached_depth.set(usize::MAX); } } diff --git a/src/librustc/ty/layout.rs b/src/librustc/ty/layout.rs index 5f599034e7d4d..3e4f6f4c3aa10 100644 --- a/src/librustc/ty/layout.rs +++ b/src/librustc/ty/layout.rs @@ -7,7 +7,6 @@ use syntax::attr; use std::cmp; use std::fmt; -use std::i128; use std::iter; use std::mem; use std::ops::Bound; @@ -990,7 +989,7 @@ impl<'tcx> LayoutCx<'tcx, TyCtxt<'tcx>> { } } - let (mut min, mut max) = (i128::max_value(), i128::min_value()); + let (mut min, mut max) = (i128::MAX, i128::MIN); let discr_type = def.repr.discr_type(); let bits = Integer::from_attr(self, discr_type).size().bits(); for (i, discr) in def.discriminants(tcx) { @@ -1010,7 +1009,7 @@ impl<'tcx> LayoutCx<'tcx, TyCtxt<'tcx>> { } } // We might have no inhabited variants, so pretend there's at least one. - if (min, max) == (i128::max_value(), i128::min_value()) { + if (min, max) == (i128::MAX, i128::MIN) { min = 0; max = 0; } diff --git a/src/librustc/ty/print/pretty.rs b/src/librustc/ty/print/pretty.rs index 8dafe407ed9c2..35996bb5b3731 100644 --- a/src/librustc/ty/print/pretty.rs +++ b/src/librustc/ty/print/pretty.rs @@ -896,7 +896,7 @@ pub trait PrettyPrinter<'tcx>: } (ConstValue::Scalar(Scalar::Raw { data, .. }), ty::Uint(ui)) => { let bit_size = Integer::from_attr(&self.tcx(), UnsignedInt(*ui)).size(); - let max = truncate(u128::max_value(), bit_size); + let max = truncate(u128::MAX, bit_size); let ui_str = ui.name_str(); if data == max { diff --git a/src/librustc/ty/query/on_disk_cache.rs b/src/librustc/ty/query/on_disk_cache.rs index 6758aedfabc14..80e11538ca826 100644 --- a/src/librustc/ty/query/on_disk_cache.rs +++ b/src/librustc/ty/query/on_disk_cache.rs @@ -93,7 +93,7 @@ struct AbsoluteBytePos(u32); impl AbsoluteBytePos { fn new(pos: usize) -> AbsoluteBytePos { - debug_assert!(pos <= ::std::u32::MAX as usize); + debug_assert!(pos <= u32::MAX as usize); AbsoluteBytePos(pos as u32) } diff --git a/src/librustc/ty/util.rs b/src/librustc/ty/util.rs index 15fae10236dbc..ed0b5f8e3eb66 100644 --- a/src/librustc/ty/util.rs +++ b/src/librustc/ty/util.rs @@ -63,9 +63,9 @@ impl<'tcx> Discr<'tcx> { if signed { let sext = |u| sign_extend(u, size) as i128; let min = sext(1_u128 << (bit_size - 1)); - let max = i128::max_value() >> shift; + let max = i128::MAX >> shift; let val = sext(self.val); - assert!(n < (i128::max_value() as u128)); + assert!(n < (i128::MAX as u128)); let n = n as i128; let oflo = val > max - n; let val = if oflo { min + (n - (max - val) - 1) } else { val + n }; @@ -74,7 +74,7 @@ impl<'tcx> Discr<'tcx> { let val = truncate(val, size); (Self { val: val as u128, ty: self.ty }, oflo) } else { - let max = u128::max_value() >> shift; + let max = u128::MAX >> shift; let val = self.val; let oflo = val > max - n; let val = if oflo { n - (max - val) - 1 } else { val + n }; diff --git a/src/librustc_apfloat/lib.rs b/src/librustc_apfloat/lib.rs index d08ff60a366cc..c0a80883b56ec 100644 --- a/src/librustc_apfloat/lib.rs +++ b/src/librustc_apfloat/lib.rs @@ -132,9 +132,9 @@ impl Neg for Round { pub type ExpInt = i16; // \c ilogb error results. -pub const IEK_INF: ExpInt = ExpInt::max_value(); -pub const IEK_NAN: ExpInt = ExpInt::min_value(); -pub const IEK_ZERO: ExpInt = ExpInt::min_value() + 1; +pub const IEK_INF: ExpInt = ExpInt::MAX; +pub const IEK_NAN: ExpInt = ExpInt::MIN; +pub const IEK_ZERO: ExpInt = ExpInt::MIN + 1; #[derive(Copy, Clone, PartialEq, Eq, Debug)] pub struct ParseError(pub &'static str); diff --git a/src/librustc_codegen_llvm/intrinsic.rs b/src/librustc_codegen_llvm/intrinsic.rs index 1c7146308389a..785cd0abac8cb 100644 --- a/src/librustc_codegen_llvm/intrinsic.rs +++ b/src/librustc_codegen_llvm/intrinsic.rs @@ -26,7 +26,7 @@ use rustc_codegen_ssa::traits::*; use rustc_span::Span; use std::cmp::Ordering; -use std::{i128, iter, u128}; +use std::iter; fn get_simple_intrinsic(cx: &CodegenCx<'ll, '_>, name: &str) -> Option<&'ll Value> { let llvm_name = match name { diff --git a/src/librustc_codegen_ssa/back/write.rs b/src/librustc_codegen_ssa/back/write.rs index 44ed297ea8396..e1d99ae3c1038 100644 --- a/src/librustc_codegen_ssa/back/write.rs +++ b/src/librustc_codegen_ssa/back/write.rs @@ -1516,7 +1516,7 @@ fn start_executing_work( } } -pub const CODEGEN_WORKER_ID: usize = ::std::usize::MAX; +pub const CODEGEN_WORKER_ID: usize = usize::MAX; fn spawn_work(cgcx: CodegenContext, work: WorkItem) { thread::spawn(move || { diff --git a/src/librustc_codegen_ssa/base.rs b/src/librustc_codegen_ssa/base.rs index 6750b7e65ba9e..2b6a57b7b6277 100644 --- a/src/librustc_codegen_ssa/base.rs +++ b/src/librustc_codegen_ssa/base.rs @@ -503,7 +503,7 @@ fn get_argc_argv<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( } } -pub const CODEGEN_WORKER_ID: usize = ::std::usize::MAX; +pub const CODEGEN_WORKER_ID: usize = usize::MAX; pub fn codegen_crate( backend: B, diff --git a/src/librustc_codegen_ssa/mir/rvalue.rs b/src/librustc_codegen_ssa/mir/rvalue.rs index 39cb501b7aa98..d90d3ad303132 100644 --- a/src/librustc_codegen_ssa/mir/rvalue.rs +++ b/src/librustc_codegen_ssa/mir/rvalue.rs @@ -16,8 +16,6 @@ use rustc_apfloat::{ieee, Float, Round, Status}; use rustc_span::source_map::{Span, DUMMY_SP}; use rustc_span::symbol::sym; -use std::{i128, u128}; - impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { pub fn codegen_rvalue( &mut self, diff --git a/src/librustc_data_structures/base_n/tests.rs b/src/librustc_data_structures/base_n/tests.rs index a86f991cd0e0d..b68ef1eb7f4c4 100644 --- a/src/librustc_data_structures/base_n/tests.rs +++ b/src/librustc_data_structures/base_n/tests.rs @@ -12,8 +12,8 @@ fn test_encode() { test(35, base); test(36, base); test(37, base); - test(u64::max_value() as u128, base); - test(u128::max_value(), base); + test(u64::MAX as u128, base); + test(u128::MAX, base); for i in 0..1_000 { test(i * 983, base); diff --git a/src/librustc_data_structures/graph/implementation/mod.rs b/src/librustc_data_structures/graph/implementation/mod.rs index f705c2f0b75f3..1aa7ac024d94e 100644 --- a/src/librustc_data_structures/graph/implementation/mod.rs +++ b/src/librustc_data_structures/graph/implementation/mod.rs @@ -23,7 +23,6 @@ use crate::snapshot_vec::{SnapshotVec, SnapshotVecDelegate}; use rustc_index::bit_set::BitSet; use std::fmt::Debug; -use std::usize; #[cfg(test)] mod tests; diff --git a/src/librustc_data_structures/profiling.rs b/src/librustc_data_structures/profiling.rs index 840a2603deb79..5c0668daf3758 100644 --- a/src/librustc_data_structures/profiling.rs +++ b/src/librustc_data_structures/profiling.rs @@ -6,7 +6,6 @@ use std::process; use std::sync::Arc; use std::thread::ThreadId; use std::time::{Duration, Instant}; -use std::u32; use crate::cold_path; diff --git a/src/librustc_errors/emitter.rs b/src/librustc_errors/emitter.rs index 541b89e6fce5f..fb992ee488079 100644 --- a/src/librustc_errors/emitter.rs +++ b/src/librustc_errors/emitter.rs @@ -1303,7 +1303,7 @@ impl EmitterWriter { let mut multilines = FxHashMap::default(); // Get the left-side margin to remove it - let mut whitespace_margin = std::usize::MAX; + let mut whitespace_margin = usize::MAX; for line_idx in 0..annotated_file.lines.len() { let file = annotated_file.file.clone(); let line = &annotated_file.lines[line_idx]; @@ -1315,19 +1315,19 @@ impl EmitterWriter { } } } - if whitespace_margin == std::usize::MAX { + if whitespace_margin == usize::MAX { whitespace_margin = 0; } // Left-most column any visible span points at. - let mut span_left_margin = std::usize::MAX; + let mut span_left_margin = usize::MAX; for line in &annotated_file.lines { for ann in &line.annotations { span_left_margin = min(span_left_margin, ann.start_col); span_left_margin = min(span_left_margin, ann.end_col); } } - if span_left_margin == std::usize::MAX { + if span_left_margin == usize::MAX { span_left_margin = 0; } @@ -1363,7 +1363,7 @@ impl EmitterWriter { } else { term_size::dimensions() .map(|(w, _)| w.saturating_sub(code_offset)) - .unwrap_or(std::usize::MAX) + .unwrap_or(usize::MAX) }; let margin = Margin::new( diff --git a/src/librustc_expand/proc_macro_server.rs b/src/librustc_expand/proc_macro_server.rs index cf5749f506856..ee89e786ec91b 100644 --- a/src/librustc_expand/proc_macro_server.rs +++ b/src/librustc_expand/proc_macro_server.rs @@ -579,10 +579,10 @@ impl server::Literal for Rustc<'_> { }; // Bounds check the values, preventing addition overflow and OOB spans. - if start > u32::max_value() as usize - || end > u32::max_value() as usize - || (u32::max_value() - start as u32) < span.lo().to_u32() - || (u32::max_value() - end as u32) < span.lo().to_u32() + if start > u32::MAX as usize + || end > u32::MAX as usize + || (u32::MAX - start as u32) < span.lo().to_u32() + || (u32::MAX - end as u32) < span.lo().to_u32() || start >= end || end > length { diff --git a/src/librustc_hir/def_id.rs b/src/librustc_hir/def_id.rs index f8cacdc6238e8..3f5ca891a3adc 100644 --- a/src/librustc_hir/def_id.rs +++ b/src/librustc_hir/def_id.rs @@ -1,7 +1,6 @@ use rustc_data_structures::AtomicRef; use rustc_index::vec::Idx; use std::fmt; -use std::u32; rustc_index::newtype_index! { pub struct CrateId { diff --git a/src/librustc_index/bit_set.rs b/src/librustc_index/bit_set.rs index 2a1a56076728e..46c38840516e2 100644 --- a/src/librustc_index/bit_set.rs +++ b/src/librustc_index/bit_set.rs @@ -307,7 +307,7 @@ impl<'a, T: Idx> BitIter<'a, T> { // additional state about whether we have started. BitIter { word: 0, - offset: std::usize::MAX - (WORD_BITS - 1), + offset: usize::MAX - (WORD_BITS - 1), iter: words.iter(), marker: PhantomData, } diff --git a/src/librustc_index/vec.rs b/src/librustc_index/vec.rs index 1f6a330cdc235..0b13a96d96bed 100644 --- a/src/librustc_index/vec.rs +++ b/src/librustc_index/vec.rs @@ -7,7 +7,6 @@ use std::iter::{self, FromIterator}; use std::marker::PhantomData; use std::ops::{Index, IndexMut, Range, RangeBounds}; use std::slice; -use std::u32; use std::vec; /// Represents some newtyped `usize` wrapper. diff --git a/src/librustc_lexer/src/unescape.rs b/src/librustc_lexer/src/unescape.rs index 4f5e03d008c99..f8f20d7f3831c 100644 --- a/src/librustc_lexer/src/unescape.rs +++ b/src/librustc_lexer/src/unescape.rs @@ -345,7 +345,7 @@ where fn byte_from_char(c: char) -> u8 { let res = c as u32; - assert!(res <= u8::max_value() as u32, "guaranteed because of Mode::Byte(Str)"); + assert!(res <= u8::MAX as u32, "guaranteed because of Mode::Byte(Str)"); res as u8 } diff --git a/src/librustc_lint/types.rs b/src/librustc_lint/types.rs index 7944c88c7cbd8..8b10bc4524a54 100644 --- a/src/librustc_lint/types.rs +++ b/src/librustc_lint/types.rs @@ -21,7 +21,7 @@ use syntax::{ast, attr}; use log::debug; use std::cmp; -use std::{f32, f64, i16, i32, i64, i8, u16, u32, u64, u8}; +use std::{f32, f64}; declare_lint! { UNUSED_COMPARISONS, @@ -111,23 +111,23 @@ fn lint_overflowing_range_endpoint<'a, 'tcx>( // warnings are consistent between 32- and 64-bit platforms. fn int_ty_range(int_ty: ast::IntTy) -> (i128, i128) { match int_ty { - ast::IntTy::Isize => (i64::min_value() as i128, i64::max_value() as i128), - ast::IntTy::I8 => (i8::min_value() as i64 as i128, i8::max_value() as i128), - ast::IntTy::I16 => (i16::min_value() as i64 as i128, i16::max_value() as i128), - ast::IntTy::I32 => (i32::min_value() as i64 as i128, i32::max_value() as i128), - ast::IntTy::I64 => (i64::min_value() as i128, i64::max_value() as i128), - ast::IntTy::I128 => (i128::min_value() as i128, i128::max_value()), + ast::IntTy::Isize => (i64::MIN as i128, i64::MAX as i128), + ast::IntTy::I8 => (i8::MIN as i64 as i128, i8::MAX as i128), + ast::IntTy::I16 => (i16::MIN as i64 as i128, i16::MAX as i128), + ast::IntTy::I32 => (i32::MIN as i64 as i128, i32::MAX as i128), + ast::IntTy::I64 => (i64::MIN as i128, i64::MAX as i128), + ast::IntTy::I128 => (i128::MIN as i128, i128::MAX), } } fn uint_ty_range(uint_ty: ast::UintTy) -> (u128, u128) { match uint_ty { - ast::UintTy::Usize => (u64::min_value() as u128, u64::max_value() as u128), - ast::UintTy::U8 => (u8::min_value() as u128, u8::max_value() as u128), - ast::UintTy::U16 => (u16::min_value() as u128, u16::max_value() as u128), - ast::UintTy::U32 => (u32::min_value() as u128, u32::max_value() as u128), - ast::UintTy::U64 => (u64::min_value() as u128, u64::max_value() as u128), - ast::UintTy::U128 => (u128::min_value(), u128::max_value()), + ast::UintTy::Usize => (u64::MIN as u128, u64::MAX as u128), + ast::UintTy::U8 => (u8::MIN as u128, u8::MAX as u128), + ast::UintTy::U16 => (u16::MIN as u128, u16::MAX as u128), + ast::UintTy::U32 => (u32::MIN as u128, u32::MAX as u128), + ast::UintTy::U64 => (u64::MIN as u128, u64::MAX as u128), + ast::UintTy::U128 => (u128::MIN, u128::MAX), } } diff --git a/src/librustc_metadata/creader.rs b/src/librustc_metadata/creader.rs index f95801d6fb15a..cb88b5e66bd41 100644 --- a/src/librustc_metadata/creader.rs +++ b/src/librustc_metadata/creader.rs @@ -991,7 +991,7 @@ impl<'a> CrateLoader<'a> { src: ExternCrateSource::Path, span, // to have the least priority in `update_extern_crate` - path_len: usize::max_value(), + path_len: usize::MAX, dependency_of: LOCAL_CRATE, }, ); diff --git a/src/librustc_metadata/rmeta/decoder.rs b/src/librustc_metadata/rmeta/decoder.rs index 1ed6b748d873a..f92de6bd99bd7 100644 --- a/src/librustc_metadata/rmeta/decoder.rs +++ b/src/librustc_metadata/rmeta/decoder.rs @@ -30,7 +30,6 @@ use rustc_index::vec::{Idx, IndexVec}; use std::io; use std::mem; use std::num::NonZeroUsize; -use std::u32; use log::debug; use proc_macro::bridge::client::ProcMacro; diff --git a/src/librustc_metadata/rmeta/encoder.rs b/src/librustc_metadata/rmeta/encoder.rs index fc7eae1e6c7a1..f7c1c008f7220 100644 --- a/src/librustc_metadata/rmeta/encoder.rs +++ b/src/librustc_metadata/rmeta/encoder.rs @@ -30,7 +30,6 @@ use rustc_span::{self, FileName, SourceFile, Span}; use std::hash::Hash; use std::num::NonZeroUsize; use std::path::Path; -use std::u32; use syntax::ast; use syntax::attr; use syntax::expand::is_proc_macro_attr; diff --git a/src/librustc_mir/build/matches/simplify.rs b/src/librustc_mir/build/matches/simplify.rs index bbb555a58e69f..af17b66ec68dc 100644 --- a/src/librustc_mir/build/matches/simplify.rs +++ b/src/librustc_mir/build/matches/simplify.rs @@ -111,13 +111,13 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { } ty::Int(ity) => { let size = Integer::from_attr(&tcx, SignedInt(ity)).size(); - let max = truncate(u128::max_value(), size); + let max = truncate(u128::MAX, size); let bias = 1u128 << (size.bits() - 1); (Some((0, max, size)), bias) } ty::Uint(uty) => { let size = Integer::from_attr(&tcx, UnsignedInt(uty)).size(); - let max = truncate(u128::max_value(), size); + let max = truncate(u128::MAX, size); (Some((0, max, size)), 0) } _ => (None, 0), diff --git a/src/librustc_mir/build/matches/util.rs b/src/librustc_mir/build/matches/util.rs index b6e643a65105b..1bc05aaed2010 100644 --- a/src/librustc_mir/build/matches/util.rs +++ b/src/librustc_mir/build/matches/util.rs @@ -5,7 +5,6 @@ use rustc::mir::*; use rustc::ty; use smallvec::SmallVec; use std::convert::TryInto; -use std::u32; impl<'a, 'tcx> Builder<'a, 'tcx> { pub fn field_match_pairs<'pat>( diff --git a/src/librustc_mir/build/mod.rs b/src/librustc_mir/build/mod.rs index 39edcc981a005..13c6e35c01dc5 100644 --- a/src/librustc_mir/build/mod.rs +++ b/src/librustc_mir/build/mod.rs @@ -16,7 +16,6 @@ use rustc_span::symbol::kw; use rustc_span::Span; use rustc_target::spec::abi::Abi; use rustc_target::spec::PanicStrategy; -use std::u32; use syntax::attr::{self, UnwindAttr}; use super::lints; diff --git a/src/librustc_mir/dataflow/mod.rs b/src/librustc_mir/dataflow/mod.rs index e94f263348d8a..19cce292a7fc0 100644 --- a/src/librustc_mir/dataflow/mod.rs +++ b/src/librustc_mir/dataflow/mod.rs @@ -16,7 +16,6 @@ use std::borrow::Borrow; use std::fmt; use std::io; use std::path::PathBuf; -use std::usize; pub use self::at_location::{FlowAtLocation, FlowsAtLocation}; pub(crate) use self::drop_flag_effects::*; diff --git a/src/librustc_mir/hair/pattern/_match.rs b/src/librustc_mir/hair/pattern/_match.rs index 61d2eceb30877..34224ff73a915 100644 --- a/src/librustc_mir/hair/pattern/_match.rs +++ b/src/librustc_mir/hair/pattern/_match.rs @@ -258,7 +258,6 @@ use std::convert::TryInto; use std::fmt; use std::iter::{FromIterator, IntoIterator}; use std::ops::RangeInclusive; -use std::u128; pub fn expand_pattern<'a, 'tcx>(cx: &MatchCheckCtxt<'a, 'tcx>, pat: Pat<'tcx>) -> Pat<'tcx> { LiteralExpander { tcx: cx.tcx, param_env: cx.param_env }.fold_pattern(&pat) @@ -1333,7 +1332,7 @@ fn all_constructors<'a, 'tcx>( } ty::Uint(uty) => { let size = Integer::from_attr(&cx.tcx, UnsignedInt(uty)).size(); - let max = truncate(u128::max_value(), size); + let max = truncate(u128::MAX, size); vec![make_range(0, max)] } _ => { diff --git a/src/librustc_mir/interpret/intrinsics.rs b/src/librustc_mir/interpret/intrinsics.rs index b075e8ea383e1..bf4df181878eb 100644 --- a/src/librustc_mir/interpret/intrinsics.rs +++ b/src/librustc_mir/interpret/intrinsics.rs @@ -205,7 +205,7 @@ impl<'mir, 'tcx, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { if is_add { // max unsigned Scalar::from_uint( - u128::max_value() >> (128 - num_bits), + u128::MAX >> (128 - num_bits), Size::from_bits(num_bits), ) } else { diff --git a/src/librustc_mir/interpret/validity.rs b/src/librustc_mir/interpret/validity.rs index b55f66dc75124..810eac46aaf07 100644 --- a/src/librustc_mir/interpret/validity.rs +++ b/src/librustc_mir/interpret/validity.rs @@ -508,7 +508,7 @@ impl<'rt, 'mir, 'tcx, M: Machine<'mir, 'tcx>> ValueVisitor<'mir, 'tcx, M> // Determine the allowed range let (lo, hi) = layout.valid_range.clone().into_inner(); // `max_hi` is as big as the size fits - let max_hi = u128::max_value() >> (128 - op.layout.size.bits()); + let max_hi = u128::MAX >> (128 - op.layout.size.bits()); assert!(hi <= max_hi); // We could also write `(hi + 1) % (max_hi + 1) == lo` but `max_hi + 1` overflows for `u128` if (lo == 0 && hi == max_hi) || (hi + 1 == lo) { diff --git a/src/librustc_mir/transform/promote_consts.rs b/src/librustc_mir/transform/promote_consts.rs index 819ed9a51e7bf..a286b12d449f5 100644 --- a/src/librustc_mir/transform/promote_consts.rs +++ b/src/librustc_mir/transform/promote_consts.rs @@ -27,7 +27,7 @@ use rustc_index::vec::{Idx, IndexVec}; use rustc_target::spec::abi::Abi; use std::cell::Cell; -use std::{iter, mem, usize}; +use std::{iter, mem}; use crate::transform::check_consts::{is_lang_panic_fn, qualifs, ConstKind, Item}; use crate::transform::{MirPass, MirSource}; diff --git a/src/librustc_passes/liveness.rs b/src/librustc_passes/liveness.rs index 6a38524720e27..d6d97619fe143 100644 --- a/src/librustc_passes/liveness.rs +++ b/src/librustc_passes/liveness.rs @@ -109,10 +109,10 @@ use rustc_data_structures::fx::FxIndexMap; use rustc_span::symbol::sym; use rustc_span::Span; use std::collections::VecDeque; +use std::fmt; use std::io; use std::io::prelude::*; use std::rc::Rc; -use std::{fmt, u32}; use syntax::ast; #[derive(Copy, Clone, PartialEq)] diff --git a/src/librustc_resolve/late.rs b/src/librustc_resolve/late.rs index 84cb3f7181996..62d8f4274e44f 100644 --- a/src/librustc_resolve/late.rs +++ b/src/librustc_resolve/late.rs @@ -1776,10 +1776,10 @@ impl<'a, 'b> LateResolutionVisitor<'a, '_> { // don't report an error right away, but try to fallback to a primitive type. // So, we are still able to successfully resolve something like // - // use std::u8; // bring module u8 in scope - // fn f() -> u8 { // OK, resolves to primitive u8, not to std::u8 - // u8::max_value() // OK, resolves to associated function ::max_value, - // // not to non-existent std::u8::max_value + // use u8; // bring module u8 in scope + // fn f() -> u8 { // OK, resolves to primitive u8, not to u8 + // u8::MAX // OK, resolves to associated function ::max_value, + // // not to non-existent u8::max_value // } // // Such behavior is required for backward compatibility. diff --git a/src/librustc_save_analysis/lib.rs b/src/librustc_save_analysis/lib.rs index 1f72d1dd847b9..5b4f25f8df85f 100644 --- a/src/librustc_save_analysis/lib.rs +++ b/src/librustc_save_analysis/lib.rs @@ -1086,7 +1086,7 @@ fn id_from_node_id(id: NodeId, scx: &SaveContext<'_, '_>) -> rls_data::Id { } fn null_id() -> rls_data::Id { - rls_data::Id { krate: u32::max_value(), index: u32::max_value() } + rls_data::Id { krate: u32::MAX, index: u32::MAX } } fn lower_attributes(attrs: Vec, scx: &SaveContext<'_, '_>) -> Vec { diff --git a/src/librustc_span/lib.rs b/src/librustc_span/lib.rs index a58c12f23508a..6603a41c1bba6 100644 --- a/src/librustc_span/lib.rs +++ b/src/librustc_span/lib.rs @@ -1054,7 +1054,7 @@ impl Decodable for SourceFile { // `crate_of_origin` has to be set by the importer. // This value matches up with `rustc::hir::def_id::INVALID_CRATE`. // That constant is not available here, unfortunately. - crate_of_origin: std::u32::MAX - 1, + crate_of_origin: u32::MAX - 1, start_pos, end_pos, src: None, @@ -1097,7 +1097,7 @@ impl SourceFile { hasher.finish::() }; let end_pos = start_pos.to_usize() + src.len(); - if end_pos > u32::max_value() as usize { + if end_pos > u32::MAX as usize { return Err(OffsetOverflowError); } diff --git a/src/librustc_span/source_map.rs b/src/librustc_span/source_map.rs index 0b9b9fe7887f2..6196b8579b366 100644 --- a/src/librustc_span/source_map.rs +++ b/src/librustc_span/source_map.rs @@ -749,9 +749,7 @@ impl SourceMap { // Disregard indexes that are at the start or end of their spans, they can't fit bigger // characters. - if (!forwards && end_index == usize::min_value()) - || (forwards && start_index == usize::max_value()) - { + if (!forwards && end_index == usize::MIN) || (forwards && start_index == usize::MAX) { debug!("find_width_of_character_at_span: start or end of span, cannot be multibyte"); return 1; } diff --git a/src/librustc_typeck/collect.rs b/src/librustc_typeck/collect.rs index bc39856e14d73..264eb9300d233 100644 --- a/src/librustc_typeck/collect.rs +++ b/src/librustc_typeck/collect.rs @@ -2866,13 +2866,13 @@ fn check_link_ordinal(tcx: TyCtxt<'_>, attr: &ast::Attribute) -> Option { _ => None, }; if let Some(Lit { kind: LitKind::Int(ordinal, LitIntType::Unsuffixed), .. }) = sole_meta_list { - if *ordinal <= std::usize::MAX as u128 { + if *ordinal <= usize::MAX as u128 { Some(*ordinal as usize) } else { let msg = format!("ordinal value in `link_ordinal` is too large: `{}`", &ordinal); tcx.sess .struct_span_err(attr.span, &msg) - .note("the value may not exceed `std::usize::MAX`") + .note("the value may not exceed `usize::MAX`") .emit(); None } diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs index fad2bab43b990..5c721ab7c3e9e 100644 --- a/src/librustdoc/clean/mod.rs +++ b/src/librustdoc/clean/mod.rs @@ -32,7 +32,6 @@ use std::collections::hash_map::Entry; use std::default::Default; use std::hash::Hash; use std::rc::Rc; -use std::u32; use std::{mem, vec}; use crate::core::{self, DocContext, ImplTraitParam}; diff --git a/src/librustdoc/passes/unindent_comments.rs b/src/librustdoc/passes/unindent_comments.rs index 3212af055efc5..d94069a83ff4e 100644 --- a/src/librustdoc/passes/unindent_comments.rs +++ b/src/librustdoc/passes/unindent_comments.rs @@ -1,6 +1,5 @@ use std::cmp; use std::string::String; -use std::usize; use crate::clean::{self, DocFragment, Item}; use crate::core::DocContext; diff --git a/src/libserialize/json.rs b/src/libserialize/json.rs index 1f9d43cb93043..cacc28b6e60e4 100644 --- a/src/libserialize/json.rs +++ b/src/libserialize/json.rs @@ -198,7 +198,7 @@ use std::num::FpCategory as Fp; use std::ops::Index; use std::str::FromStr; use std::string; -use std::{char, f64, fmt, str}; +use std::{char, fmt, str}; use crate::Encodable; diff --git a/src/libserialize/tests/json.rs b/src/libserialize/tests/json.rs index c16426b5919c9..db2c172043e8b 100644 --- a/src/libserialize/tests/json.rs +++ b/src/libserialize/tests/json.rs @@ -17,7 +17,7 @@ use rustc_serialize::{Decodable, Encodable}; use std::collections::BTreeMap; use std::io::prelude::*; use std::string; -use std::{f32, f64, i64, u64}; +use std::{f32, f64}; use Animal::*; #[derive(RustcDecodable, Eq, PartialEq, Debug)] diff --git a/src/libserialize/tests/opaque.rs b/src/libserialize/tests/opaque.rs index aa099bb8a3689..a6ec1580aca36 100644 --- a/src/libserialize/tests/opaque.rs +++ b/src/libserialize/tests/opaque.rs @@ -53,7 +53,7 @@ fn test_unit() { #[test] fn test_u8() { let mut vec = vec![]; - for i in ::std::u8::MIN..::std::u8::MAX { + for i in u8::MIN..u8::MAX { vec.push(i); } check_round_trip(vec); @@ -61,30 +61,30 @@ fn test_u8() { #[test] fn test_u16() { - for i in ::std::u16::MIN..::std::u16::MAX { + for i in u16::MIN..u16::MAX { check_round_trip(vec![1, 2, 3, i, i, i]); } } #[test] fn test_u32() { - check_round_trip(vec![1, 2, 3, ::std::u32::MIN, 0, 1, ::std::u32::MAX, 2, 1]); + check_round_trip(vec![1, 2, 3, u32::MIN, 0, 1, u32::MAX, 2, 1]); } #[test] fn test_u64() { - check_round_trip(vec![1, 2, 3, ::std::u64::MIN, 0, 1, ::std::u64::MAX, 2, 1]); + check_round_trip(vec![1, 2, 3, u64::MIN, 0, 1, u64::MAX, 2, 1]); } #[test] fn test_usize() { - check_round_trip(vec![1, 2, 3, ::std::usize::MIN, 0, 1, ::std::usize::MAX, 2, 1]); + check_round_trip(vec![1, 2, 3, usize::MIN, 0, 1, usize::MAX, 2, 1]); } #[test] fn test_i8() { let mut vec = vec![]; - for i in ::std::i8::MIN..::std::i8::MAX { + for i in i8::MIN..i8::MAX { vec.push(i); } check_round_trip(vec); @@ -92,24 +92,24 @@ fn test_i8() { #[test] fn test_i16() { - for i in ::std::i16::MIN..::std::i16::MAX { + for i in i16::MIN..i16::MAX { check_round_trip(vec![-1, 2, -3, i, i, i, 2]); } } #[test] fn test_i32() { - check_round_trip(vec![-1, 2, -3, ::std::i32::MIN, 0, 1, ::std::i32::MAX, 2, 1]); + check_round_trip(vec![-1, 2, -3, i32::MIN, 0, 1, i32::MAX, 2, 1]); } #[test] fn test_i64() { - check_round_trip(vec![-1, 2, -3, ::std::i64::MIN, 0, 1, ::std::i64::MAX, 2, 1]); + check_round_trip(vec![-1, 2, -3, i64::MIN, 0, 1, i64::MAX, 2, 1]); } #[test] fn test_isize() { - check_round_trip(vec![-1, 2, -3, ::std::isize::MIN, 0, 1, ::std::isize::MAX, 2, 1]); + check_round_trip(vec![-1, 2, -3, isize::MIN, 0, 1, isize::MAX, 2, 1]); } #[test] diff --git a/src/libstd/collections/hash/map.rs b/src/libstd/collections/hash/map.rs index fdc587ba5dacf..a42621ca01cf1 100644 --- a/src/libstd/collections/hash/map.rs +++ b/src/libstd/collections/hash/map.rs @@ -2619,7 +2619,6 @@ mod test_map { use crate::cell::RefCell; use rand::{thread_rng, Rng}; use realstd::collections::TryReserveError::*; - use realstd::usize; // https://github.com/rust-lang/rust/issues/62301 fn _assert_hashmap_is_unwind_safe() { diff --git a/src/libstd/f32.rs b/src/libstd/f32.rs index 267d7013b1e42..f3a57c571256f 100644 --- a/src/libstd/f32.rs +++ b/src/libstd/f32.rs @@ -16,12 +16,20 @@ use crate::sys::cmath; #[stable(feature = "rust1", since = "1.0.0")] pub use core::f32::consts; #[stable(feature = "rust1", since = "1.0.0")] +#[allow(deprecated_in_future)] +#[allow(deprecated)] pub use core::f32::{DIGITS, EPSILON, MANTISSA_DIGITS, RADIX}; #[stable(feature = "rust1", since = "1.0.0")] +#[allow(deprecated_in_future)] +#[allow(deprecated)] pub use core::f32::{INFINITY, MAX_10_EXP, NAN, NEG_INFINITY}; #[stable(feature = "rust1", since = "1.0.0")] +#[allow(deprecated_in_future)] +#[allow(deprecated)] pub use core::f32::{MAX, MIN, MIN_POSITIVE}; #[stable(feature = "rust1", since = "1.0.0")] +#[allow(deprecated_in_future)] +#[allow(deprecated)] pub use core::f32::{MAX_EXP, MIN_10_EXP, MIN_EXP}; #[cfg(not(test))] @@ -181,8 +189,6 @@ impl f32 { /// # Examples /// /// ``` - /// use std::f32; - /// /// let f = 3.5_f32; /// /// assert_eq!(f.signum(), 1.0); @@ -194,7 +200,7 @@ impl f32 { #[stable(feature = "rust1", since = "1.0.0")] #[inline] pub fn signum(self) -> f32 { - if self.is_nan() { NAN } else { 1.0_f32.copysign(self) } + if self.is_nan() { Self::NAN } else { 1.0_f32.copysign(self) } } /// Returns a number composed of the magnitude of `self` and the sign of @@ -207,8 +213,6 @@ impl f32 { /// # Examples /// /// ``` - /// use std::f32; - /// /// let f = 3.5_f32; /// /// assert_eq!(f.copysign(0.42), 3.5_f32); @@ -234,8 +238,6 @@ impl f32 { /// # Examples /// /// ``` - /// use std::f32; - /// /// let m = 10.0_f32; /// let x = 4.0_f32; /// let b = 60.0_f32; @@ -362,8 +364,6 @@ impl f32 { /// # Examples /// /// ``` - /// use std::f32; - /// /// let positive = 4.0_f32; /// let negative = -4.0_f32; /// @@ -898,8 +898,6 @@ impl f32 { /// # Examples /// /// ``` - /// use std::f32; - /// /// let e = f32::consts::E; /// let x = 1.0f32; /// @@ -922,8 +920,6 @@ impl f32 { /// # Examples /// /// ``` - /// use std::f32; - /// /// let x = 1.0f32; /// let f = x.sinh().asinh(); /// @@ -935,8 +931,8 @@ impl f32 { #[stable(feature = "rust1", since = "1.0.0")] #[inline] pub fn asinh(self) -> f32 { - if self == NEG_INFINITY { - NEG_INFINITY + if self == Self::NEG_INFINITY { + Self::NEG_INFINITY } else { (self + ((self * self) + 1.0).sqrt()).ln().copysign(self) } @@ -947,8 +943,6 @@ impl f32 { /// # Examples /// /// ``` - /// use std::f32; - /// /// let x = 1.0f32; /// let f = x.cosh().acosh(); /// @@ -960,7 +954,7 @@ impl f32 { #[stable(feature = "rust1", since = "1.0.0")] #[inline] pub fn acosh(self) -> f32 { - if self < 1.0 { crate::f32::NAN } else { (self + ((self * self) - 1.0).sqrt()).ln() } + if self < 1.0 { Self::NAN } else { (self + ((self * self) - 1.0).sqrt()).ln() } } /// Inverse hyperbolic tangent function. @@ -968,8 +962,6 @@ impl f32 { /// # Examples /// /// ``` - /// use std::f32; - /// /// let e = f32::consts::E; /// let f = e.tanh().atanh(); /// @@ -1023,8 +1015,6 @@ impl f32 { #[cfg(test)] mod tests { - use crate::f32; - use crate::f32::*; use crate::num::FpCategory as Fp; use crate::num::*; @@ -1035,14 +1025,14 @@ mod tests { #[test] fn test_min_nan() { - assert_eq!(NAN.min(2.0), 2.0); - assert_eq!(2.0f32.min(NAN), 2.0); + assert_eq!(f32::NAN.min(2.0), 2.0); + assert_eq!(2.0f32.min(f32::NAN), 2.0); } #[test] fn test_max_nan() { - assert_eq!(NAN.max(2.0), 2.0); - assert_eq!(2.0f32.max(NAN), 2.0); + assert_eq!(f32::NAN.max(2.0), 2.0); + assert_eq!(2.0f32.max(f32::NAN), 2.0); } #[test] diff --git a/src/libstd/f64.rs b/src/libstd/f64.rs index 61ce7b29e26fc..ccd8a632cc9c8 100644 --- a/src/libstd/f64.rs +++ b/src/libstd/f64.rs @@ -16,12 +16,20 @@ use crate::sys::cmath; #[stable(feature = "rust1", since = "1.0.0")] pub use core::f64::consts; #[stable(feature = "rust1", since = "1.0.0")] +#[allow(deprecated_in_future)] +#[allow(deprecated)] pub use core::f64::{DIGITS, EPSILON, MANTISSA_DIGITS, RADIX}; #[stable(feature = "rust1", since = "1.0.0")] +#[allow(deprecated_in_future)] +#[allow(deprecated)] pub use core::f64::{INFINITY, MAX_10_EXP, NAN, NEG_INFINITY}; #[stable(feature = "rust1", since = "1.0.0")] +#[allow(deprecated_in_future)] +#[allow(deprecated)] pub use core::f64::{MAX, MIN, MIN_POSITIVE}; #[stable(feature = "rust1", since = "1.0.0")] +#[allow(deprecated_in_future)] +#[allow(deprecated)] pub use core::f64::{MAX_EXP, MIN_10_EXP, MIN_EXP}; #[cfg(not(test))] @@ -159,8 +167,6 @@ impl f64 { /// # Examples /// /// ``` - /// use std::f64; - /// /// let f = 3.5_f64; /// /// assert_eq!(f.signum(), 1.0); @@ -172,7 +178,7 @@ impl f64 { #[stable(feature = "rust1", since = "1.0.0")] #[inline] pub fn signum(self) -> f64 { - if self.is_nan() { NAN } else { 1.0_f64.copysign(self) } + if self.is_nan() { Self::NAN } else { 1.0_f64.copysign(self) } } /// Returns a number composed of the magnitude of `self` and the sign of @@ -185,8 +191,6 @@ impl f64 { /// # Examples /// /// ``` - /// use std::f64; - /// /// let f = 3.5_f64; /// /// assert_eq!(f.copysign(0.42), 3.5_f64); @@ -859,8 +863,8 @@ impl f64 { #[stable(feature = "rust1", since = "1.0.0")] #[inline] pub fn asinh(self) -> f64 { - if self == NEG_INFINITY { - NEG_INFINITY + if self == Self::NEG_INFINITY { + Self::NEG_INFINITY } else { (self + ((self * self) + 1.0).sqrt()).ln().copysign(self) } @@ -882,7 +886,7 @@ impl f64 { #[stable(feature = "rust1", since = "1.0.0")] #[inline] pub fn acosh(self) -> f64 { - if self < 1.0 { NAN } else { (self + ((self * self) - 1.0).sqrt()).ln() } + if self < 1.0 { Self::NAN } else { (self + ((self * self) - 1.0).sqrt()).ln() } } /// Inverse hyperbolic tangent function. @@ -890,8 +894,6 @@ impl f64 { /// # Examples /// /// ``` - /// use std::f64; - /// /// let e = f64::consts::E; /// let f = e.tanh().atanh(); /// @@ -953,16 +955,16 @@ impl f64 { if self > 0.0 { log_fn(self) } else if self == 0.0 { - NEG_INFINITY // log(0) = -Inf + Self::NEG_INFINITY // log(0) = -Inf } else { - NAN // log(-n) = NaN + Self::NAN // log(-n) = NaN } } else if self.is_nan() { self // log(NaN) = NaN } else if self > 0.0 { self // log(Inf) = Inf } else { - NAN // log(-Inf) = NaN + Self::NAN // log(-Inf) = NaN } } } @@ -970,8 +972,6 @@ impl f64 { #[cfg(test)] mod tests { - use crate::f64; - use crate::f64::*; use crate::num::FpCategory as Fp; use crate::num::*; @@ -982,19 +982,19 @@ mod tests { #[test] fn test_min_nan() { - assert_eq!(NAN.min(2.0), 2.0); - assert_eq!(2.0f64.min(NAN), 2.0); + assert_eq!(f64::NAN.min(2.0), 2.0); + assert_eq!(2.0f64.min(f64::NAN), 2.0); } #[test] fn test_max_nan() { - assert_eq!(NAN.max(2.0), 2.0); - assert_eq!(2.0f64.max(NAN), 2.0); + assert_eq!(f64::NAN.max(2.0), 2.0); + assert_eq!(2.0f64.max(f64::NAN), 2.0); } #[test] fn test_nan() { - let nan: f64 = NAN; + let nan: f64 = f64::NAN; assert!(nan.is_nan()); assert!(!nan.is_infinite()); assert!(!nan.is_finite()); @@ -1006,7 +1006,7 @@ mod tests { #[test] fn test_infinity() { - let inf: f64 = INFINITY; + let inf: f64 = f64::INFINITY; assert!(inf.is_infinite()); assert!(!inf.is_finite()); assert!(inf.is_sign_positive()); @@ -1018,7 +1018,7 @@ mod tests { #[test] fn test_neg_infinity() { - let neg_inf: f64 = NEG_INFINITY; + let neg_inf: f64 = f64::NEG_INFINITY; assert!(neg_inf.is_infinite()); assert!(!neg_inf.is_finite()); assert!(!neg_inf.is_sign_positive()); @@ -1070,9 +1070,9 @@ mod tests { #[test] fn test_is_nan() { - let nan: f64 = NAN; - let inf: f64 = INFINITY; - let neg_inf: f64 = NEG_INFINITY; + let nan: f64 = f64::NAN; + let inf: f64 = f64::INFINITY; + let neg_inf: f64 = f64::NEG_INFINITY; assert!(nan.is_nan()); assert!(!0.0f64.is_nan()); assert!(!5.3f64.is_nan()); @@ -1083,9 +1083,9 @@ mod tests { #[test] fn test_is_infinite() { - let nan: f64 = NAN; - let inf: f64 = INFINITY; - let neg_inf: f64 = NEG_INFINITY; + let nan: f64 = f64::NAN; + let inf: f64 = f64::INFINITY; + let neg_inf: f64 = f64::NEG_INFINITY; assert!(!nan.is_infinite()); assert!(inf.is_infinite()); assert!(neg_inf.is_infinite()); @@ -1110,9 +1110,9 @@ mod tests { #[cfg_attr(all(target_arch = "wasm32", target_os = "emscripten"), ignore)] // issue 42630 #[test] fn test_is_normal() { - let nan: f64 = NAN; - let inf: f64 = INFINITY; - let neg_inf: f64 = NEG_INFINITY; + let nan: f64 = f64::NAN; + let inf: f64 = f64::INFINITY; + let neg_inf: f64 = f64::NEG_INFINITY; let zero: f64 = 0.0f64; let neg_zero: f64 = -0.0; assert!(!nan.is_normal()); @@ -1128,9 +1128,9 @@ mod tests { #[cfg_attr(all(target_arch = "wasm32", target_os = "emscripten"), ignore)] // issue 42630 #[test] fn test_classify() { - let nan: f64 = NAN; - let inf: f64 = INFINITY; - let neg_inf: f64 = NEG_INFINITY; + let nan: f64 = f64::NAN; + let inf: f64 = f64::INFINITY; + let neg_inf: f64 = f64::NEG_INFINITY; let zero: f64 = 0.0f64; let neg_zero: f64 = -0.0; assert_eq!(nan.classify(), Fp::Nan); diff --git a/src/libstd/io/buffered.rs b/src/libstd/io/buffered.rs index 9e6849ba5bc39..751809ca29e2f 100644 --- a/src/libstd/io/buffered.rs +++ b/src/libstd/io/buffered.rs @@ -339,7 +339,7 @@ impl Seek for BufReader { // it should be safe to assume that remainder fits within an i64 as the alternative // means we managed to allocate 8 exbibytes and that's absurd. // But it's not out of the realm of possibility for some weird underlying reader to - // support seeking by i64::min_value() so we need to handle underflow when subtracting + // support seeking by i64::MIN so we need to handle underflow when subtracting // remainder. if let Some(offset) = n.checked_sub(remainder) { result = self.inner.seek(SeekFrom::Current(offset))?; @@ -1222,7 +1222,7 @@ mod tests { self.pos = self.pos.wrapping_add(n as u64); } SeekFrom::End(n) => { - self.pos = u64::max_value().wrapping_add(n as u64); + self.pos = u64::MAX.wrapping_add(n as u64); } } Ok(self.pos) @@ -1231,11 +1231,11 @@ mod tests { let mut reader = BufReader::with_capacity(5, PositionReader { pos: 0 }); assert_eq!(reader.fill_buf().ok(), Some(&[0, 1, 2, 3, 4][..])); - assert_eq!(reader.seek(SeekFrom::End(-5)).ok(), Some(u64::max_value() - 5)); + assert_eq!(reader.seek(SeekFrom::End(-5)).ok(), Some(u64::MAX - 5)); assert_eq!(reader.fill_buf().ok().map(|s| s.len()), Some(5)); // the following seek will require two underlying seeks let expected = 9223372036854775802; - assert_eq!(reader.seek(SeekFrom::Current(i64::min_value())).ok(), Some(expected)); + assert_eq!(reader.seek(SeekFrom::Current(i64::MIN)).ok(), Some(expected)); assert_eq!(reader.fill_buf().ok().map(|s| s.len()), Some(5)); // seeking to 0 should empty the buffer. assert_eq!(reader.seek(SeekFrom::Current(0)).ok(), Some(expected)); @@ -1273,7 +1273,7 @@ mod tests { // The following seek will require two underlying seeks. The first will // succeed but the second will fail. This should still invalidate the // buffer. - assert!(reader.seek(SeekFrom::Current(i64::min_value())).is_err()); + assert!(reader.seek(SeekFrom::Current(i64::MIN)).is_err()); assert_eq!(reader.buffer().len(), 0); } diff --git a/src/libstd/io/cursor.rs b/src/libstd/io/cursor.rs index 9787cbb556bd2..ccc4f9d5f899a 100644 --- a/src/libstd/io/cursor.rs +++ b/src/libstd/io/cursor.rs @@ -939,7 +939,7 @@ mod tests { #[cfg(target_pointer_width = "32")] fn vec_seek_and_write_past_usize_max() { let mut c = Cursor::new(Vec::new()); - c.set_position(::max_value() as u64 + 1); + c.set_position(usize::MAX as u64 + 1); assert!(c.write_all(&[1, 2, 3]).is_err()); } diff --git a/src/libstd/lib.rs b/src/libstd/lib.rs index f90647472c678..b2d4b7e83992e 100644 --- a/src/libstd/lib.rs +++ b/src/libstd/lib.rs @@ -63,7 +63,7 @@ //! So for example there is a [page for the primitive type //! `i32`](primitive.i32.html) that lists all the methods that can be called on //! 32-bit integers (very useful), and there is a [page for the module -//! `std::i32`](i32/index.html) that documents the constant values [`MIN`] and +//! `i32`](i32/index.html) that documents the constant values [`MIN`] and //! [`MAX`](i32/constant.MAX.html) (rarely useful). //! //! Note the documentation for the primitives [`str`] and [`[T]`][slice] (also @@ -400,18 +400,30 @@ pub use core::hash; #[stable(feature = "core_hint", since = "1.27.0")] pub use core::hint; #[stable(feature = "i128", since = "1.26.0")] +#[allow(deprecated_in_future)] +#[allow(deprecated)] pub use core::i128; #[stable(feature = "rust1", since = "1.0.0")] +#[allow(deprecated_in_future)] +#[allow(deprecated)] pub use core::i16; #[stable(feature = "rust1", since = "1.0.0")] +#[allow(deprecated_in_future)] +#[allow(deprecated)] pub use core::i32; #[stable(feature = "rust1", since = "1.0.0")] +#[allow(deprecated_in_future)] +#[allow(deprecated)] pub use core::i64; #[stable(feature = "rust1", since = "1.0.0")] +#[allow(deprecated_in_future)] +#[allow(deprecated)] pub use core::i8; #[stable(feature = "rust1", since = "1.0.0")] pub use core::intrinsics; #[stable(feature = "rust1", since = "1.0.0")] +#[allow(deprecated_in_future)] +#[allow(deprecated)] pub use core::isize; #[stable(feature = "rust1", since = "1.0.0")] pub use core::iter; @@ -432,16 +444,28 @@ pub use core::raw; #[stable(feature = "rust1", since = "1.0.0")] pub use core::result; #[stable(feature = "i128", since = "1.26.0")] +#[allow(deprecated_in_future)] +#[allow(deprecated)] pub use core::u128; #[stable(feature = "rust1", since = "1.0.0")] +#[allow(deprecated_in_future)] +#[allow(deprecated)] pub use core::u16; #[stable(feature = "rust1", since = "1.0.0")] +#[allow(deprecated_in_future)] +#[allow(deprecated)] pub use core::u32; #[stable(feature = "rust1", since = "1.0.0")] +#[allow(deprecated_in_future)] +#[allow(deprecated)] pub use core::u64; #[stable(feature = "rust1", since = "1.0.0")] +#[allow(deprecated_in_future)] +#[allow(deprecated)] pub use core::u8; #[stable(feature = "rust1", since = "1.0.0")] +#[allow(deprecated_in_future)] +#[allow(deprecated)] pub use core::usize; pub mod f32; diff --git a/src/libstd/primitive_docs.rs b/src/libstd/primitive_docs.rs index d4b41e11c0e82..b6bd709efe789 100644 --- a/src/libstd/primitive_docs.rs +++ b/src/libstd/primitive_docs.rs @@ -788,80 +788,60 @@ mod prim_f64 {} #[doc(primitive = "i8")] // /// The 8-bit signed integer type. -/// -/// *[See also the `std::i8` module](i8/index.html).* #[stable(feature = "rust1", since = "1.0.0")] mod prim_i8 {} #[doc(primitive = "i16")] // /// The 16-bit signed integer type. -/// -/// *[See also the `std::i16` module](i16/index.html).* #[stable(feature = "rust1", since = "1.0.0")] mod prim_i16 {} #[doc(primitive = "i32")] // /// The 32-bit signed integer type. -/// -/// *[See also the `std::i32` module](i32/index.html).* #[stable(feature = "rust1", since = "1.0.0")] mod prim_i32 {} #[doc(primitive = "i64")] // /// The 64-bit signed integer type. -/// -/// *[See also the `std::i64` module](i64/index.html).* #[stable(feature = "rust1", since = "1.0.0")] mod prim_i64 {} #[doc(primitive = "i128")] // /// The 128-bit signed integer type. -/// -/// *[See also the `std::i128` module](i128/index.html).* #[stable(feature = "i128", since = "1.26.0")] mod prim_i128 {} #[doc(primitive = "u8")] // /// The 8-bit unsigned integer type. -/// -/// *[See also the `std::u8` module](u8/index.html).* #[stable(feature = "rust1", since = "1.0.0")] mod prim_u8 {} #[doc(primitive = "u16")] // /// The 16-bit unsigned integer type. -/// -/// *[See also the `std::u16` module](u16/index.html).* #[stable(feature = "rust1", since = "1.0.0")] mod prim_u16 {} #[doc(primitive = "u32")] // /// The 32-bit unsigned integer type. -/// -/// *[See also the `std::u32` module](u32/index.html).* #[stable(feature = "rust1", since = "1.0.0")] mod prim_u32 {} #[doc(primitive = "u64")] // /// The 64-bit unsigned integer type. -/// -/// *[See also the `std::u64` module](u64/index.html).* #[stable(feature = "rust1", since = "1.0.0")] mod prim_u64 {} #[doc(primitive = "u128")] // /// The 128-bit unsigned integer type. -/// -/// *[See also the `std::u128` module](u128/index.html).* #[stable(feature = "i128", since = "1.26.0")] mod prim_u128 {} @@ -869,8 +849,6 @@ mod prim_u128 {} // /// The pointer-sized signed integer type. /// -/// *[See also the `std::isize` module](isize/index.html).* -/// /// The size of this primitive is how many bytes it takes to reference any /// location in memory. For example, on a 32 bit target, this is 4 bytes /// and on a 64 bit target, this is 8 bytes. @@ -881,8 +859,6 @@ mod prim_isize {} // /// The pointer-sized unsigned integer type. /// -/// *[See also the `std::usize` module](usize/index.html).* -/// /// The size of this primitive is how many bytes it takes to reference any /// location in memory. For example, on a 32 bit target, this is 4 bytes /// and on a 64 bit target, this is 8 bytes. diff --git a/src/libstd/sync/mpsc/mod.rs b/src/libstd/sync/mpsc/mod.rs index e70204d6839fc..d6cc811154f11 100644 --- a/src/libstd/sync/mpsc/mod.rs +++ b/src/libstd/sync/mpsc/mod.rs @@ -2176,8 +2176,7 @@ mod tests { #[cfg_attr(target_env = "sgx", ignore)] // FIXME: https://github.com/fortanix/rust-sgx/issues/31 fn very_long_recv_timeout_wont_panic() { let (tx, rx) = channel::<()>(); - let join_handle = - thread::spawn(move || rx.recv_timeout(Duration::from_secs(u64::max_value()))); + let join_handle = thread::spawn(move || rx.recv_timeout(Duration::from_secs(u64::MAX))); thread::sleep(Duration::from_secs(1)); assert!(tx.send(()).is_ok()); assert_eq!(join_handle.join().unwrap(), Ok(())); diff --git a/src/libstd/sync/mpsc/shared.rs b/src/libstd/sync/mpsc/shared.rs index 2b0393573fdc4..c4e929624d7a4 100644 --- a/src/libstd/sync/mpsc/shared.rs +++ b/src/libstd/sync/mpsc/shared.rs @@ -12,7 +12,6 @@ use self::StartResult::*; use core::cmp; use core::intrinsics::abort; -use core::isize; use crate::cell::UnsafeCell; use crate::ptr; diff --git a/src/libstd/sync/mpsc/stream.rs b/src/libstd/sync/mpsc/stream.rs index 2e3270e81fcd0..f33493ee0c9c9 100644 --- a/src/libstd/sync/mpsc/stream.rs +++ b/src/libstd/sync/mpsc/stream.rs @@ -11,7 +11,6 @@ use self::Message::*; pub use self::UpgradeResult::*; use core::cmp; -use core::isize; use crate::cell::UnsafeCell; use crate::ptr; diff --git a/src/libstd/sync/mpsc/sync.rs b/src/libstd/sync/mpsc/sync.rs index 79e868171546b..3e2050799ccb4 100644 --- a/src/libstd/sync/mpsc/sync.rs +++ b/src/libstd/sync/mpsc/sync.rs @@ -26,7 +26,6 @@ use self::Blocker::*; pub use self::Failure::*; use core::intrinsics::abort; -use core::isize; use core::mem; use core::ptr; diff --git a/src/libstd/sys/cloudabi/condvar.rs b/src/libstd/sys/cloudabi/condvar.rs index 3ba51d77494d4..dabdc0c9b510a 100644 --- a/src/libstd/sys/cloudabi/condvar.rs +++ b/src/libstd/sys/cloudabi/condvar.rs @@ -42,7 +42,7 @@ impl Condvar { let ret = abi::condvar_signal( condvar as *mut abi::condvar, abi::scope::PRIVATE, - abi::nthreads::max_value(), + abi::nthreads::MAX, ); assert_eq!(ret, abi::errno::SUCCESS, "Failed to broadcast on condition variable"); } diff --git a/src/libstd/sys/hermit/condvar.rs b/src/libstd/sys/hermit/condvar.rs index 5b7f16ce562b9..b6d417e598fae 100644 --- a/src/libstd/sys/hermit/condvar.rs +++ b/src/libstd/sys/hermit/condvar.rs @@ -36,7 +36,7 @@ impl Condvar { pub unsafe fn wait_timeout(&self, mutex: &Mutex, dur: Duration) -> bool { let nanos = dur.as_nanos(); - let nanos = cmp::min(i64::max_value() as u128, nanos); + let nanos = cmp::min(i64::MAX as u128, nanos); // add current task to the wait queue let _ = abi::add_queue(self.id(), nanos as i64); diff --git a/src/libstd/sys/hermit/thread.rs b/src/libstd/sys/hermit/thread.rs index c3c29c93826de..cc99b85422237 100644 --- a/src/libstd/sys/hermit/thread.rs +++ b/src/libstd/sys/hermit/thread.rs @@ -6,7 +6,6 @@ use crate::io; use crate::mem; use crate::sys::hermit::abi; use crate::time::Duration; -use core::u32; use crate::sys_common::thread::*; diff --git a/src/libstd/sys/unix/android.rs b/src/libstd/sys/unix/android.rs index 8fc2599f0d762..ea05ee3d7cedf 100644 --- a/src/libstd/sys/unix/android.rs +++ b/src/libstd/sys/unix/android.rs @@ -95,7 +95,7 @@ pub fn ftruncate64(fd: c_int, size: u64) -> io::Result<()> { match ftruncate64.get() { Some(f) => cvt_r(|| f(fd, size as i64)).map(drop), None => { - if size > i32::max_value() as u64 { + if size > i32::MAX as u64 { Err(io::Error::new(io::ErrorKind::InvalidInput, "cannot truncate >2GB")) } else { cvt_r(|| ftruncate(fd, size as i32)).map(drop) diff --git a/src/libstd/sys/unix/condvar.rs b/src/libstd/sys/unix/condvar.rs index b4896b7ad7476..a27d1ce83c4b7 100644 --- a/src/libstd/sys/unix/condvar.rs +++ b/src/libstd/sys/unix/condvar.rs @@ -10,14 +10,10 @@ unsafe impl Send for Condvar {} unsafe impl Sync for Condvar {} const TIMESPEC_MAX: libc::timespec = - libc::timespec { tv_sec: ::max_value(), tv_nsec: 1_000_000_000 - 1 }; + libc::timespec { tv_sec: ::MAX, tv_nsec: 1_000_000_000 - 1 }; fn saturating_cast_to_time_t(value: u64) -> libc::time_t { - if value > ::max_value() as u64 { - ::max_value() - } else { - value as libc::time_t - } + crate::cmp::min(value, libc::time_t::MAX as u64) as _ } impl Condvar { diff --git a/src/libstd/sys/unix/ext/net.rs b/src/libstd/sys/unix/ext/net.rs index e0e6e02a443e1..bc854831da25a 100644 --- a/src/libstd/sys/unix/ext/net.rs +++ b/src/libstd/sys/unix/ext/net.rs @@ -1061,7 +1061,7 @@ impl<'a> Iterator for Incoming<'a> { } fn size_hint(&self) -> (usize, Option) { - (usize::max_value(), None) + (usize::MAX, None) } } diff --git a/src/libstd/sys/unix/fd.rs b/src/libstd/sys/unix/fd.rs index 8a99836912a33..3aea5f00392ce 100644 --- a/src/libstd/sys/unix/fd.rs +++ b/src/libstd/sys/unix/fd.rs @@ -23,11 +23,7 @@ fn max_len() -> usize { // intentionally showing odd behavior by rejecting any read with a size // larger than or equal to INT_MAX. To handle both of these the read // size is capped on both platforms. - if cfg!(target_os = "macos") { - ::max_value() as usize - 1 - } else { - ::max_value() as usize - } + if cfg!(target_os = "macos") { ::MAX as usize - 1 } else { ::MAX as usize } } impl FileDesc { @@ -58,7 +54,7 @@ impl FileDesc { libc::readv( self.fd, bufs.as_ptr() as *const libc::iovec, - cmp::min(bufs.len(), c_int::max_value() as usize) as c_int, + cmp::min(bufs.len(), c_int::MAX as usize) as c_int, ) })?; Ok(ret as usize) @@ -110,7 +106,7 @@ impl FileDesc { libc::writev( self.fd, bufs.as_ptr() as *const libc::iovec, - cmp::min(bufs.len(), c_int::max_value() as usize) as c_int, + cmp::min(bufs.len(), c_int::MAX as usize) as c_int, ) })?; Ok(ret as usize) diff --git a/src/libstd/sys/unix/fs.rs b/src/libstd/sys/unix/fs.rs index 2a0519487c7a7..7bd8788162d19 100644 --- a/src/libstd/sys/unix/fs.rs +++ b/src/libstd/sys/unix/fs.rs @@ -1180,7 +1180,7 @@ pub fn copy(from: &Path, to: &Path) -> io::Result { let mut written = 0u64; while written < len { let copy_result = if has_copy_file_range { - let bytes_to_copy = cmp::min(len - written, usize::max_value() as u64) as usize; + let bytes_to_copy = cmp::min(len - written, usize::MAX as u64) as usize; let copy_result = unsafe { // We actually don't have to adjust the offsets, // because copy_file_range adjusts the file offset automatically diff --git a/src/libstd/sys/unix/net.rs b/src/libstd/sys/unix/net.rs index 79b0dc02978f3..d1e34927585c8 100644 --- a/src/libstd/sys/unix/net.rs +++ b/src/libstd/sys/unix/net.rs @@ -148,7 +148,7 @@ impl Socket { timeout = 1; } - let timeout = cmp::min(timeout, c_int::max_value() as u64) as c_int; + let timeout = cmp::min(timeout, c_int::MAX as u64) as c_int; match unsafe { libc::poll(&mut pollfd, 1, timeout) } { -1 => { @@ -273,8 +273,8 @@ impl Socket { )); } - let secs = if dur.as_secs() > libc::time_t::max_value() as u64 { - libc::time_t::max_value() + let secs = if dur.as_secs() > libc::time_t::MAX as u64 { + libc::time_t::MAX } else { dur.as_secs() as libc::time_t }; diff --git a/src/libstd/sys/unix/process/zircon.rs b/src/libstd/sys/unix/process/zircon.rs index 750b8f0762ae5..7ed41f3f1d29b 100644 --- a/src/libstd/sys/unix/process/zircon.rs +++ b/src/libstd/sys/unix/process/zircon.rs @@ -1,7 +1,6 @@ #![allow(non_camel_case_types, unused)] use crate::convert::TryInto; -use crate::i64; use crate::io; use crate::mem::MaybeUninit; use crate::os::raw::c_char; diff --git a/src/libstd/sys/unix/thread.rs b/src/libstd/sys/unix/thread.rs index a5b34eeec289e..899a9a8548f5b 100644 --- a/src/libstd/sys/unix/thread.rs +++ b/src/libstd/sys/unix/thread.rs @@ -164,7 +164,7 @@ impl Thread { unsafe { while secs > 0 || nsecs > 0 { let mut ts = libc::timespec { - tv_sec: cmp::min(libc::time_t::max_value() as u64, secs) as libc::time_t, + tv_sec: cmp::min(libc::time_t::MAX as u64, secs) as libc::time_t, tv_nsec: nsecs, }; secs -= ts.tv_sec as u64; diff --git a/src/libstd/sys/vxworks/condvar.rs b/src/libstd/sys/vxworks/condvar.rs index f2a1d6815290d..f4e22888f9a91 100644 --- a/src/libstd/sys/vxworks/condvar.rs +++ b/src/libstd/sys/vxworks/condvar.rs @@ -10,14 +10,10 @@ unsafe impl Send for Condvar {} unsafe impl Sync for Condvar {} const TIMESPEC_MAX: libc::timespec = - libc::timespec { tv_sec: ::max_value(), tv_nsec: 1_000_000_000 - 1 }; + libc::timespec { tv_sec: ::MAX, tv_nsec: 1_000_000_000 - 1 }; fn saturating_cast_to_time_t(value: u64) -> libc::time_t { - if value > ::max_value() as u64 { - ::max_value() - } else { - value as libc::time_t - } + crate::cmp::min(value, libc::time_t::MAX as u64) as _ } impl Condvar { diff --git a/src/libstd/sys/vxworks/fd.rs b/src/libstd/sys/vxworks/fd.rs index 65c67dabc1ad0..fbd8bddb0ebdc 100644 --- a/src/libstd/sys/vxworks/fd.rs +++ b/src/libstd/sys/vxworks/fd.rs @@ -17,7 +17,7 @@ fn max_len() -> usize { // The maximum read limit on most posix-like systems is `SSIZE_MAX`, // with the man page quoting that if the count of bytes to read is // greater than `SSIZE_MAX` the result is "unspecified". - ::max_value() as usize + ::MAX as usize } impl FileDesc { @@ -48,7 +48,7 @@ impl FileDesc { libc::readv( self.fd, bufs.as_ptr() as *const libc::iovec, - cmp::min(bufs.len(), c_int::max_value() as usize) as c_int, + cmp::min(bufs.len(), c_int::MAX as usize) as c_int, ) })?; Ok(ret as usize) @@ -93,7 +93,7 @@ impl FileDesc { libc::writev( self.fd, bufs.as_ptr() as *const libc::iovec, - cmp::min(bufs.len(), c_int::max_value() as usize) as c_int, + cmp::min(bufs.len(), c_int::MAX as usize) as c_int, ) })?; Ok(ret as usize) diff --git a/src/libstd/sys/vxworks/net.rs b/src/libstd/sys/vxworks/net.rs index 7d4e5624f7e39..f5a02bfbd0854 100644 --- a/src/libstd/sys/vxworks/net.rs +++ b/src/libstd/sys/vxworks/net.rs @@ -107,7 +107,7 @@ impl Socket { timeout = 1; } - let timeout = cmp::min(timeout, c_int::max_value() as u64) as c_int; + let timeout = cmp::min(timeout, c_int::MAX as u64) as c_int; match unsafe { libc::poll(&mut pollfd, 1, timeout) } { -1 => { @@ -210,8 +210,8 @@ impl Socket { )); } - let secs = if dur.as_secs() > libc::time_t::max_value() as u64 { - libc::time_t::max_value() + let secs = if dur.as_secs() > libc::time_t::MAX as u64 { + libc::time_t::MAX } else { dur.as_secs() as libc::time_t }; diff --git a/src/libstd/sys/vxworks/thread.rs b/src/libstd/sys/vxworks/thread.rs index e0d104b5f3ec9..878be827e2f3c 100644 --- a/src/libstd/sys/vxworks/thread.rs +++ b/src/libstd/sys/vxworks/thread.rs @@ -89,7 +89,7 @@ impl Thread { unsafe { while secs > 0 || nsecs > 0 { let mut ts = libc::timespec { - tv_sec: cmp::min(libc::time_t::max_value() as u64, secs) as libc::time_t, + tv_sec: cmp::min(libc::time_t::MAX as u64, secs) as libc::time_t, tv_nsec: nsecs, }; secs -= ts.tv_sec as u64; diff --git a/src/libstd/sys/wasi/mod.rs b/src/libstd/sys/wasi/mod.rs index 241d499ca3b2d..64701b33af588 100644 --- a/src/libstd/sys/wasi/mod.rs +++ b/src/libstd/sys/wasi/mod.rs @@ -64,7 +64,7 @@ pub fn unsupported_err() -> std_io::Error { pub fn decode_error_kind(errno: i32) -> std_io::ErrorKind { use std_io::ErrorKind::*; - if errno > u16::max_value() as i32 || errno < 0 { + if errno > u16::MAX as i32 || errno < 0 { return Other; } match errno as u16 { diff --git a/src/libstd/sys/wasi/thread.rs b/src/libstd/sys/wasi/thread.rs index 0986759b89b7c..0d39b1cec328c 100644 --- a/src/libstd/sys/wasi/thread.rs +++ b/src/libstd/sys/wasi/thread.rs @@ -25,7 +25,7 @@ impl Thread { pub fn sleep(dur: Duration) { let nanos = dur.as_nanos(); - assert!(nanos <= u64::max_value() as u128); + assert!(nanos <= u64::MAX as u128); const USERDATA: wasi::Userdata = 0x0123_45678; diff --git a/src/libstd/sys/wasm/condvar_atomics.rs b/src/libstd/sys/wasm/condvar_atomics.rs index a4021c0ee8380..1859cdd5a0ed8 100644 --- a/src/libstd/sys/wasm/condvar_atomics.rs +++ b/src/libstd/sys/wasm/condvar_atomics.rs @@ -48,7 +48,7 @@ impl Condvar { #[inline] pub unsafe fn notify_all(&self) { self.cnt.fetch_add(1, SeqCst); - wasm32::atomic_notify(self.ptr(), u32::max_value()); // -1 == "wake everyone" + wasm32::atomic_notify(self.ptr(), u32::MAX); // -1 == "wake everyone" } pub unsafe fn wait(&self, mutex: &Mutex) { @@ -72,7 +72,7 @@ impl Condvar { let ticket = self.cnt.load(SeqCst) as i32; mutex.unlock(); let nanos = dur.as_nanos(); - let nanos = cmp::min(i64::max_value() as u128, nanos); + let nanos = cmp::min(i64::MAX as u128, nanos); // If the return value is 2 then a timeout happened, so we return // `false` as we weren't actually notified. diff --git a/src/libstd/sys/wasm/thread.rs b/src/libstd/sys/wasm/thread.rs index 0e0e78a827670..0a11896a0048f 100644 --- a/src/libstd/sys/wasm/thread.rs +++ b/src/libstd/sys/wasm/thread.rs @@ -38,7 +38,7 @@ impl Thread { // 2). let mut nanos = dur.as_nanos(); while nanos > 0 { - let amt = cmp::min(i64::max_value() as u128, nanos); + let amt = cmp::min(i64::MAX as u128, nanos); let mut x = 0; let val = unsafe { wasm32::i32_atomic_wait(&mut x, 0, amt as i64) }; debug_assert_eq!(val, 2); diff --git a/src/libstd/sys/windows/handle.rs b/src/libstd/sys/windows/handle.rs index f2ad057b6b624..e2ce5ad75c343 100644 --- a/src/libstd/sys/windows/handle.rs +++ b/src/libstd/sys/windows/handle.rs @@ -70,7 +70,7 @@ impl RawHandle { pub fn read(&self, buf: &mut [u8]) -> io::Result { let mut read = 0; - let len = cmp::min(buf.len(), ::max_value() as usize) as c::DWORD; + let len = cmp::min(buf.len(), ::MAX as usize) as c::DWORD; let res = cvt(unsafe { c::ReadFile(self.0, buf.as_mut_ptr() as c::LPVOID, len, &mut read, ptr::null_mut()) }); @@ -94,7 +94,7 @@ impl RawHandle { pub fn read_at(&self, buf: &mut [u8], offset: u64) -> io::Result { let mut read = 0; - let len = cmp::min(buf.len(), ::max_value() as usize) as c::DWORD; + let len = cmp::min(buf.len(), ::MAX as usize) as c::DWORD; let res = unsafe { let mut overlapped: c::OVERLAPPED = mem::zeroed(); overlapped.Offset = offset as u32; @@ -113,7 +113,7 @@ impl RawHandle { buf: &mut [u8], overlapped: *mut c::OVERLAPPED, ) -> io::Result> { - let len = cmp::min(buf.len(), ::max_value() as usize) as c::DWORD; + let len = cmp::min(buf.len(), ::MAX as usize) as c::DWORD; let mut amt = 0; let res = cvt({ c::ReadFile(self.0, buf.as_ptr() as c::LPVOID, len, &mut amt, overlapped) }); @@ -161,7 +161,7 @@ impl RawHandle { pub fn write(&self, buf: &[u8]) -> io::Result { let mut amt = 0; - let len = cmp::min(buf.len(), ::max_value() as usize) as c::DWORD; + let len = cmp::min(buf.len(), ::MAX as usize) as c::DWORD; cvt(unsafe { c::WriteFile(self.0, buf.as_ptr() as c::LPVOID, len, &mut amt, ptr::null_mut()) })?; @@ -174,7 +174,7 @@ impl RawHandle { pub fn write_at(&self, buf: &[u8], offset: u64) -> io::Result { let mut written = 0; - let len = cmp::min(buf.len(), ::max_value() as usize) as c::DWORD; + let len = cmp::min(buf.len(), ::MAX as usize) as c::DWORD; unsafe { let mut overlapped: c::OVERLAPPED = mem::zeroed(); overlapped.Offset = offset as u32; diff --git a/src/libstd/sys/windows/io.rs b/src/libstd/sys/windows/io.rs index 9d8018fd5e864..837201a54441b 100644 --- a/src/libstd/sys/windows/io.rs +++ b/src/libstd/sys/windows/io.rs @@ -11,7 +11,7 @@ pub struct IoSlice<'a> { impl<'a> IoSlice<'a> { #[inline] pub fn new(buf: &'a [u8]) -> IoSlice<'a> { - assert!(buf.len() <= c::ULONG::max_value() as usize); + assert!(buf.len() <= c::ULONG::MAX as usize); IoSlice { vec: c::WSABUF { len: buf.len() as c::ULONG, @@ -48,7 +48,7 @@ pub struct IoSliceMut<'a> { impl<'a> IoSliceMut<'a> { #[inline] pub fn new(buf: &'a mut [u8]) -> IoSliceMut<'a> { - assert!(buf.len() <= c::ULONG::max_value() as usize); + assert!(buf.len() <= c::ULONG::MAX as usize); IoSliceMut { vec: c::WSABUF { len: buf.len() as c::ULONG, buf: buf.as_mut_ptr() as *mut c::CHAR }, _p: PhantomData, diff --git a/src/libstd/sys/windows/mod.rs b/src/libstd/sys/windows/mod.rs index b004cd19020f8..ad72a26ba52c7 100644 --- a/src/libstd/sys/windows/mod.rs +++ b/src/libstd/sys/windows/mod.rs @@ -251,7 +251,7 @@ pub fn dur2timeout(dur: Duration) -> c::DWORD { .checked_mul(1000) .and_then(|ms| ms.checked_add((dur.subsec_nanos() as u64) / 1_000_000)) .and_then(|ms| ms.checked_add(if dur.subsec_nanos() % 1_000_000 > 0 { 1 } else { 0 })) - .map(|ms| if ms > ::max_value() as u64 { c::INFINITE } else { ms as c::DWORD }) + .map(|ms| if ms > ::MAX as u64 { c::INFINITE } else { ms as c::DWORD }) .unwrap_or(c::INFINITE) } diff --git a/src/libstd/sys/windows/net.rs b/src/libstd/sys/windows/net.rs index d8d4fdfce2fe4..0f0c0cd38c15c 100644 --- a/src/libstd/sys/windows/net.rs +++ b/src/libstd/sys/windows/net.rs @@ -228,7 +228,7 @@ impl Socket { fn recv_with_flags(&self, buf: &mut [u8], flags: c_int) -> io::Result { // On unix when a socket is shut down all further reads return 0, so we // do the same on windows to map a shut down socket to returning EOF. - let len = cmp::min(buf.len(), i32::max_value() as usize) as i32; + let len = cmp::min(buf.len(), i32::MAX as usize) as i32; unsafe { match c::recv(self.0, buf.as_mut_ptr() as *mut c_void, len, flags) { -1 if c::WSAGetLastError() == c::WSAESHUTDOWN => Ok(0), @@ -245,7 +245,7 @@ impl Socket { pub fn read_vectored(&self, bufs: &mut [IoSliceMut<'_>]) -> io::Result { // On unix when a socket is shut down all further reads return 0, so we // do the same on windows to map a shut down socket to returning EOF. - let len = cmp::min(bufs.len(), c::DWORD::max_value() as usize) as c::DWORD; + let len = cmp::min(bufs.len(), c::DWORD::MAX as usize) as c::DWORD; let mut nread = 0; let mut flags = 0; unsafe { @@ -277,7 +277,7 @@ impl Socket { ) -> io::Result<(usize, SocketAddr)> { let mut storage: c::SOCKADDR_STORAGE_LH = unsafe { mem::zeroed() }; let mut addrlen = mem::size_of_val(&storage) as c::socklen_t; - let len = cmp::min(buf.len(), ::max_value() as usize) as wrlen_t; + let len = cmp::min(buf.len(), ::MAX as usize) as wrlen_t; // On unix when a socket is shut down all further reads return 0, so we // do the same on windows to map a shut down socket to returning EOF. @@ -308,7 +308,7 @@ impl Socket { } pub fn write_vectored(&self, bufs: &[IoSlice<'_>]) -> io::Result { - let len = cmp::min(bufs.len(), c::DWORD::max_value() as usize) as c::DWORD; + let len = cmp::min(bufs.len(), c::DWORD::MAX as usize) as c::DWORD; let mut nwritten = 0; unsafe { cvt(c::WSASend( diff --git a/src/libstd/sys_common/net.rs b/src/libstd/sys_common/net.rs index c7d4828892c04..2fa35347b6cbc 100644 --- a/src/libstd/sys_common/net.rs +++ b/src/libstd/sys_common/net.rs @@ -298,7 +298,7 @@ impl TcpStream { } pub fn write(&self, buf: &[u8]) -> io::Result { - let len = cmp::min(buf.len(), ::max_value() as usize) as wrlen_t; + let len = cmp::min(buf.len(), ::MAX as usize) as wrlen_t; let ret = cvt(unsafe { c::send(*self.inner.as_inner(), buf.as_ptr() as *const c_void, len, MSG_NOSIGNAL) })?; @@ -521,7 +521,7 @@ impl UdpSocket { } pub fn send_to(&self, buf: &[u8], dst: &SocketAddr) -> io::Result { - let len = cmp::min(buf.len(), ::max_value() as usize) as wrlen_t; + let len = cmp::min(buf.len(), ::MAX as usize) as wrlen_t; let (dstp, dstlen) = dst.into_inner(); let ret = cvt(unsafe { c::sendto( @@ -650,7 +650,7 @@ impl UdpSocket { } pub fn send(&self, buf: &[u8]) -> io::Result { - let len = cmp::min(buf.len(), ::max_value() as usize) as wrlen_t; + let len = cmp::min(buf.len(), ::MAX as usize) as wrlen_t; let ret = cvt(unsafe { c::send(*self.inner.as_inner(), buf.as_ptr() as *const c_void, len, MSG_NOSIGNAL) })?; diff --git a/src/libstd/thread/mod.rs b/src/libstd/thread/mod.rs index b17418911380d..ef130458f4a45 100644 --- a/src/libstd/thread/mod.rs +++ b/src/libstd/thread/mod.rs @@ -1062,7 +1062,7 @@ impl ThreadId { // If we somehow use up all our bits, panic so that we're not // covering up subtle bugs of IDs being reused. - if COUNTER == crate::u64::MAX { + if COUNTER == u64::MAX { panic!("failed to generate unique thread ID: bitspace exhausted"); } diff --git a/src/libstd/time.rs b/src/libstd/time.rs index 0dce8f810eb13..2086d52567e60 100644 --- a/src/libstd/time.rs +++ b/src/libstd/time.rs @@ -686,7 +686,7 @@ mod tests { // checked_add_duration will not panic on overflow let mut maybe_t = Some(Instant::now()); - let max_duration = Duration::from_secs(u64::max_value()); + let max_duration = Duration::from_secs(u64::MAX); // in case `Instant` can store `>= now + max_duration`. for _ in 0..2 { maybe_t = maybe_t.and_then(|t| t.checked_add(max_duration)); @@ -766,7 +766,7 @@ mod tests { // checked_add_duration will not panic on overflow let mut maybe_t = Some(SystemTime::UNIX_EPOCH); - let max_duration = Duration::from_secs(u64::max_value()); + let max_duration = Duration::from_secs(u64::MAX); // in case `SystemTime` can store `>= UNIX_EPOCH + max_duration`. for _ in 0..2 { maybe_t = maybe_t.and_then(|t| t.checked_add(max_duration)); diff --git a/src/libsyntax/attr/mod.rs b/src/libsyntax/attr/mod.rs index 8449b61f7b0bb..ccbf91035cda4 100644 --- a/src/libsyntax/attr/mod.rs +++ b/src/libsyntax/attr/mod.rs @@ -344,7 +344,7 @@ crate fn mk_attr_id() -> AttrId { static NEXT_ATTR_ID: AtomicUsize = AtomicUsize::new(0); let id = NEXT_ATTR_ID.fetch_add(1, Ordering::SeqCst); - assert!(id != ::std::usize::MAX); + assert!(id != usize::MAX); AttrId(id) } diff --git a/src/libsyntax/util/comments.rs b/src/libsyntax/util/comments.rs index c385b498ced72..753a928975781 100644 --- a/src/libsyntax/util/comments.rs +++ b/src/libsyntax/util/comments.rs @@ -6,8 +6,6 @@ use crate::sess::ParseSess; use rustc_span::source_map::SourceMap; use rustc_span::{BytePos, CharPos, FileName, Pos}; -use std::usize; - use log::debug; #[cfg(test)] diff --git a/src/test/codegen/issue-56927.rs b/src/test/codegen/issue-56927.rs index 0544ff86aacfa..b1e4eaf1061df 100644 --- a/src/test/codegen/issue-56927.rs +++ b/src/test/codegen/issue-56927.rs @@ -1,7 +1,6 @@ // compile-flags: -C no-prepopulate-passes #![crate_type="rlib"] -use std::usize; #[repr(align(16))] pub struct S { diff --git a/src/test/compile-fail/consts/issue-55878.rs b/src/test/compile-fail/consts/issue-55878.rs index aa1dd58d2463d..9669cb8110d75 100644 --- a/src/test/compile-fail/consts/issue-55878.rs +++ b/src/test/compile-fail/consts/issue-55878.rs @@ -3,5 +3,5 @@ // error-pattern: is too big for the current architecture fn main() { - println!("Size: {}", std::mem::size_of::<[u8; std::u64::MAX as usize]>()); + println!("Size: {}", std::mem::size_of::<[u8; u64::MAX as usize]>()); } diff --git a/src/test/run-fail/bounds-check-no-overflow.rs b/src/test/run-fail/bounds-check-no-overflow.rs index 3943f87f7fe0c..c46af8002e3ff 100644 --- a/src/test/run-fail/bounds-check-no-overflow.rs +++ b/src/test/run-fail/bounds-check-no-overflow.rs @@ -1,6 +1,5 @@ // error-pattern:index out of bounds -use std::usize; use std::mem::size_of; fn main() { diff --git a/src/test/run-fail/hashmap-capacity-overflow.rs b/src/test/run-fail/hashmap-capacity-overflow.rs index 038f2756ff322..806db300c04f1 100644 --- a/src/test/run-fail/hashmap-capacity-overflow.rs +++ b/src/test/run-fail/hashmap-capacity-overflow.rs @@ -1,7 +1,6 @@ // error-pattern:capacity overflow use std::collections::hash_map::HashMap; -use std::usize; use std::mem::size_of; fn main() { diff --git a/src/test/run-fail/issue-44216-add-instant.rs b/src/test/run-fail/issue-44216-add-instant.rs index 76ad0a3d41bf8..51a2f1ab13f2c 100644 --- a/src/test/run-fail/issue-44216-add-instant.rs +++ b/src/test/run-fail/issue-44216-add-instant.rs @@ -4,5 +4,5 @@ use std::time::{Instant, Duration}; fn main() { let now = Instant::now(); - let _ = now + Duration::from_secs(u64::max_value()); + let _ = now + Duration::from_secs(u64::MAX); } diff --git a/src/test/run-fail/issue-44216-add-system-time.rs b/src/test/run-fail/issue-44216-add-system-time.rs index aa861f7d5993e..b261026300f80 100644 --- a/src/test/run-fail/issue-44216-add-system-time.rs +++ b/src/test/run-fail/issue-44216-add-system-time.rs @@ -4,5 +4,5 @@ use std::time::{Duration, SystemTime}; fn main() { let now = SystemTime::now(); - let _ = now + Duration::from_secs(u64::max_value()); + let _ = now + Duration::from_secs(u64::MAX); } diff --git a/src/test/run-fail/issue-44216-sub-instant.rs b/src/test/run-fail/issue-44216-sub-instant.rs index 8bc1f47ae2d96..f39d75f75699b 100644 --- a/src/test/run-fail/issue-44216-sub-instant.rs +++ b/src/test/run-fail/issue-44216-sub-instant.rs @@ -4,5 +4,5 @@ use std::time::{Instant, Duration}; fn main() { let now = Instant::now(); - let _ = now - Duration::from_secs(u64::max_value()); + let _ = now - Duration::from_secs(u64::MAX); } diff --git a/src/test/run-fail/issue-44216-sub-system-time.rs b/src/test/run-fail/issue-44216-sub-system-time.rs index 37ab0e7c3f99f..d9f2f75251709 100644 --- a/src/test/run-fail/issue-44216-sub-system-time.rs +++ b/src/test/run-fail/issue-44216-sub-system-time.rs @@ -4,5 +4,5 @@ use std::time::{Duration, SystemTime}; fn main() { let now = SystemTime::now(); - let _ = now - Duration::from_secs(u64::max_value()); + let _ = now - Duration::from_secs(u64::MAX); } diff --git a/src/test/run-fail/overflowing-neg.rs b/src/test/run-fail/overflowing-neg.rs index c4afd74241eda..d5afd782603c8 100644 --- a/src/test/run-fail/overflowing-neg.rs +++ b/src/test/run-fail/overflowing-neg.rs @@ -4,5 +4,5 @@ #![allow(const_err)] fn main() { - let _x = -std::i8::MIN; + let _x = -i8::MIN; } diff --git a/src/test/ui/consts/const-err-early.rs b/src/test/ui/consts/const-err-early.rs index bae2cd286e1c9..13dfe7fac9900 100644 --- a/src/test/ui/consts/const-err-early.rs +++ b/src/test/ui/consts/const-err-early.rs @@ -1,6 +1,6 @@ #![deny(const_err)] -pub const A: i8 = -std::i8::MIN; //~ ERROR const_err +pub const A: i8 = -i8::MIN; //~ ERROR const_err pub const B: u8 = 200u8 + 200u8; //~ ERROR const_err pub const C: u8 = 200u8 * 4; //~ ERROR const_err pub const D: u8 = 42u8 - (42u8 + 1); //~ ERROR const_err diff --git a/src/test/ui/consts/const-err-early.stderr b/src/test/ui/consts/const-err-early.stderr index 9b0ef94a5b8c3..2637471d01fa8 100644 --- a/src/test/ui/consts/const-err-early.stderr +++ b/src/test/ui/consts/const-err-early.stderr @@ -1,7 +1,7 @@ error: any use of this value will cause an error --> $DIR/const-err-early.rs:3:19 | -LL | pub const A: i8 = -std::i8::MIN; +LL | pub const A: i8 = -i8::MIN; | ------------------^^^^^^^^^^^^^- | | | attempt to negate with overflow diff --git a/src/test/ui/consts/const-err-multi.rs b/src/test/ui/consts/const-err-multi.rs index fa3ad832c60e2..ce74fae98162d 100644 --- a/src/test/ui/consts/const-err-multi.rs +++ b/src/test/ui/consts/const-err-multi.rs @@ -1,6 +1,6 @@ #![deny(const_err)] -pub const A: i8 = -std::i8::MIN; +pub const A: i8 = -i8::MIN; //~^ ERROR const_err pub const B: i8 = A; //~^ ERROR const_err diff --git a/src/test/ui/consts/const-err-multi.stderr b/src/test/ui/consts/const-err-multi.stderr index c647f13fc7520..3b1613af76c26 100644 --- a/src/test/ui/consts/const-err-multi.stderr +++ b/src/test/ui/consts/const-err-multi.stderr @@ -1,7 +1,7 @@ error: any use of this value will cause an error --> $DIR/const-err-multi.rs:3:19 | -LL | pub const A: i8 = -std::i8::MIN; +LL | pub const A: i8 = -i8::MIN; | ------------------^^^^^^^^^^^^^- | | | attempt to negate with overflow diff --git a/src/test/ui/consts/const-err2.rs b/src/test/ui/consts/const-err2.rs index 351dfd2e0f58c..6572f69037a90 100644 --- a/src/test/ui/consts/const-err2.rs +++ b/src/test/ui/consts/const-err2.rs @@ -15,7 +15,7 @@ fn black_box(_: T) { } fn main() { - let a = -std::i8::MIN; + let a = -i8::MIN; //~^ ERROR const_err let b = 200u8 + 200u8 + 200u8; //~^ ERROR const_err diff --git a/src/test/ui/consts/const-err2.stderr b/src/test/ui/consts/const-err2.stderr index 2ca1019d4947b..1bf50192fb1ba 100644 --- a/src/test/ui/consts/const-err2.stderr +++ b/src/test/ui/consts/const-err2.stderr @@ -1,7 +1,7 @@ error: this expression will panic at runtime --> $DIR/const-err2.rs:18:13 | -LL | let a = -std::i8::MIN; +LL | let a = -i8::MIN; | ^^^^^^^^^^^^^ attempt to negate with overflow | note: lint level defined here diff --git a/src/test/ui/consts/const-err3.rs b/src/test/ui/consts/const-err3.rs index ab3823efd301d..abd9f11f02b26 100644 --- a/src/test/ui/consts/const-err3.rs +++ b/src/test/ui/consts/const-err3.rs @@ -15,7 +15,7 @@ fn black_box(_: T) { } fn main() { - let a = -std::i8::MIN; + let a = -i8::MIN; //~^ ERROR const_err let b = 200u8 + 200u8 + 200u8; //~^ ERROR const_err diff --git a/src/test/ui/consts/const-err3.stderr b/src/test/ui/consts/const-err3.stderr index c374637bec267..5ca70857d2ad2 100644 --- a/src/test/ui/consts/const-err3.stderr +++ b/src/test/ui/consts/const-err3.stderr @@ -1,7 +1,7 @@ error: attempt to negate with overflow --> $DIR/const-err3.rs:18:13 | -LL | let a = -std::i8::MIN; +LL | let a = -i8::MIN; | ^^^^^^^^^^^^^ | note: lint level defined here diff --git a/src/test/ui/consts/const-eval/const-eval-overflow-2.rs b/src/test/ui/consts/const-eval/const-eval-overflow-2.rs index 9369702f1721c..244fba378cb7b 100644 --- a/src/test/ui/consts/const-eval/const-eval-overflow-2.rs +++ b/src/test/ui/consts/const-eval/const-eval-overflow-2.rs @@ -4,8 +4,6 @@ #![allow(unused_imports, warnings, const_err)] use std::fmt; -use std::{i8, i16, i32, i64, isize}; -use std::{u8, u16, u32, u64, usize}; const NEG_128: i8 = -128; const NEG_NEG_128: i8 = -NEG_128; diff --git a/src/test/ui/consts/const-eval/const-eval-overflow-3.rs b/src/test/ui/consts/const-eval/const-eval-overflow-3.rs index 6fd8e9cbc806b..bcc966dc9621c 100644 --- a/src/test/ui/consts/const-eval/const-eval-overflow-3.rs +++ b/src/test/ui/consts/const-eval/const-eval-overflow-3.rs @@ -12,8 +12,6 @@ #![allow(unused_imports)] use std::fmt; -use std::{i8, i16, i32, i64, isize}; -use std::{u8, u16, u32, u64, usize}; const A_I8_I : [u32; (i8::MAX as usize) + 1] diff --git a/src/test/ui/consts/const-eval/const-eval-overflow-3b.rs b/src/test/ui/consts/const-eval/const-eval-overflow-3b.rs index db6f17a671aea..480069e67fa28 100644 --- a/src/test/ui/consts/const-eval/const-eval-overflow-3b.rs +++ b/src/test/ui/consts/const-eval/const-eval-overflow-3b.rs @@ -10,8 +10,6 @@ #![allow(unused_imports)] use std::fmt; -use std::{i8, i16, i32, i64, isize}; -use std::{u8, u16, u32, u64, usize}; const A_I8_I : [u32; (i8::MAX as usize) + 1] diff --git a/src/test/ui/consts/const-eval/const-eval-overflow-4.rs b/src/test/ui/consts/const-eval/const-eval-overflow-4.rs index 0b12a438f9662..762c7a968a8ff 100644 --- a/src/test/ui/consts/const-eval/const-eval-overflow-4.rs +++ b/src/test/ui/consts/const-eval/const-eval-overflow-4.rs @@ -6,8 +6,6 @@ #![allow(unused_imports)] use std::fmt; -use std::{i8, i16, i32, i64, isize}; -use std::{u8, u16, u32, u64, usize}; const A_I8_T : [u32; (i8::MAX as i8 + 1i8) as usize] diff --git a/src/test/ui/consts/const-eval/const-eval-overflow-4b.rs b/src/test/ui/consts/const-eval/const-eval-overflow-4b.rs index 2a4585faf1493..ce9c980de0dd2 100644 --- a/src/test/ui/consts/const-eval/const-eval-overflow-4b.rs +++ b/src/test/ui/consts/const-eval/const-eval-overflow-4b.rs @@ -5,9 +5,6 @@ #![allow(unused_imports)] -use std::{i8, i16, i32, i64, isize}; -use std::{u8, u16, u32, u64, usize}; - const A_I8_T : [u32; (i8::MAX as i8 + 1u8) as usize] //~^ ERROR mismatched types diff --git a/src/test/ui/consts/const-eval/const-eval-overflow2.rs b/src/test/ui/consts/const-eval/const-eval-overflow2.rs index a0dbcc88cea8a..57a9dd55c8b55 100644 --- a/src/test/ui/consts/const-eval/const-eval-overflow2.rs +++ b/src/test/ui/consts/const-eval/const-eval-overflow2.rs @@ -8,8 +8,6 @@ #![deny(const_err)] use std::fmt; -use std::{i8, i16, i32, i64, isize}; -use std::{u8, u16, u32, u64, usize}; const VALS_I8: (i8,) = ( diff --git a/src/test/ui/consts/const-eval/const-eval-overflow2b.rs b/src/test/ui/consts/const-eval/const-eval-overflow2b.rs index da883671a60a3..e87952ab0f438 100644 --- a/src/test/ui/consts/const-eval/const-eval-overflow2b.rs +++ b/src/test/ui/consts/const-eval/const-eval-overflow2b.rs @@ -8,8 +8,6 @@ #![deny(const_err)] use std::fmt; -use std::{i8, i16, i32, i64, isize}; -use std::{u8, u16, u32, u64, usize}; const VALS_I8: (i8,) = ( diff --git a/src/test/ui/consts/const-eval/const-eval-overflow2c.rs b/src/test/ui/consts/const-eval/const-eval-overflow2c.rs index e87344405a103..84d3dd20a924e 100644 --- a/src/test/ui/consts/const-eval/const-eval-overflow2c.rs +++ b/src/test/ui/consts/const-eval/const-eval-overflow2c.rs @@ -8,8 +8,6 @@ #![deny(const_err)] use std::fmt; -use std::{i8, i16, i32, i64, isize}; -use std::{u8, u16, u32, u64, usize}; const VALS_I8: (i8,) = ( diff --git a/src/test/ui/consts/const-eval/dangling.rs b/src/test/ui/consts/const-eval/dangling.rs index b5d72d46f2861..6e4be7f0e06ad 100644 --- a/src/test/ui/consts/const-eval/dangling.rs +++ b/src/test/ui/consts/const-eval/dangling.rs @@ -1,6 +1,6 @@ #![feature(const_transmute, const_raw_ptr_deref)] -use std::{mem, usize}; +use std::mem; // Make sure we error with the right kind of error on a too large slice. const TEST: () = { unsafe { //~ NOTE diff --git a/src/test/ui/consts/const-eval/shift_overflow.rs b/src/test/ui/consts/const-eval/shift_overflow.rs index f7d0f6bd96144..e843584b69bb5 100644 --- a/src/test/ui/consts/const-eval/shift_overflow.rs +++ b/src/test/ui/consts/const-eval/shift_overflow.rs @@ -1,6 +1,6 @@ enum Foo { // test that we detect overflows for non-u32 discriminants - X = 1 << ((u32::max_value() as u64) + 1), //~ ERROR E0080 + X = 1 << ((u32::MAX as u64) + 1), //~ ERROR E0080 Y = 42, } diff --git a/src/test/ui/consts/const-eval/shift_overflow.stderr b/src/test/ui/consts/const-eval/shift_overflow.stderr index 5db231cd5b0df..58e568ee1aa8b 100644 --- a/src/test/ui/consts/const-eval/shift_overflow.stderr +++ b/src/test/ui/consts/const-eval/shift_overflow.stderr @@ -1,7 +1,7 @@ error[E0080]: evaluation of constant value failed --> $DIR/shift_overflow.rs:3:9 | -LL | X = 1 << ((u32::max_value() as u64) + 1), +LL | X = 1 << ((u32::MAX as u64) + 1), | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attempt to shift left with overflow error: aborting due to previous error diff --git a/src/test/ui/consts/const-eval/ub-wide-ptr.rs b/src/test/ui/consts/const-eval/ub-wide-ptr.rs index a5c2a57c6c886..de59f78985ffe 100644 --- a/src/test/ui/consts/const-eval/ub-wide-ptr.rs +++ b/src/test/ui/consts/const-eval/ub-wide-ptr.rs @@ -128,7 +128,7 @@ const MYSLICE_SUFFIX_BAD: &MySliceBool = &MySlice(true, [unsafe { BoolTransmute // # raw slice const RAW_SLICE_VALID: *const [u8] = unsafe { SliceTransmute { repr: SliceRepr { ptr: &42, len: 1 } }.raw_slice}; // ok const RAW_SLICE_TOO_LONG: *const [u8] = unsafe { SliceTransmute { repr: SliceRepr { ptr: &42, len: 999 } }.raw_slice}; // ok because raw -const RAW_SLICE_MUCH_TOO_LONG: *const [u8] = unsafe { SliceTransmute { repr: SliceRepr { ptr: &42, len: usize::max_value() } }.raw_slice}; // ok because raw +const RAW_SLICE_MUCH_TOO_LONG: *const [u8] = unsafe { SliceTransmute { repr: SliceRepr { ptr: &42, len: usize::MAX } }.raw_slice}; // ok because raw const RAW_SLICE_LENGTH_UNINIT: *const [u8] = unsafe { SliceTransmute { addr: 42 }.raw_slice}; //~^ ERROR it is undefined behavior to use this value diff --git a/src/test/ui/consts/const-int-conversion-rpass.rs b/src/test/ui/consts/const-int-conversion-rpass.rs index d52dbbae1e7b5..a09019b95613d 100644 --- a/src/test/ui/consts/const-int-conversion-rpass.rs +++ b/src/test/ui/consts/const-int-conversion-rpass.rs @@ -8,13 +8,13 @@ const FROM_LE_BYTES: i32 = i32::from_le_bytes([0x12, 0x34, 0x56, 0x78]); const FROM_NE_BYTES: i32 = i32::from_be(i32::from_ne_bytes([0x80, 0, 0, 0])); const TO_BE_BYTES: [u8; 4] = 0x12_34_56_78_i32.to_be_bytes(); const TO_LE_BYTES: [u8; 4] = 0x12_34_56_78_i32.to_le_bytes(); -const TO_NE_BYTES: [u8; 4] = i32::min_value().to_be().to_ne_bytes(); +const TO_NE_BYTES: [u8; 4] = i32::MIN.to_be().to_ne_bytes(); fn main() { assert_eq!(REVERSE, 0x1e6a2c48); assert_eq!(FROM_BE_BYTES, 0x12_34_56_78); assert_eq!(FROM_LE_BYTES, 0x78_56_34_12); - assert_eq!(FROM_NE_BYTES, i32::min_value()); + assert_eq!(FROM_NE_BYTES, i32::MIN); assert_eq!(TO_BE_BYTES, [0x12, 0x34, 0x56, 0x78]); assert_eq!(TO_LE_BYTES, [0x78, 0x56, 0x34, 0x12]); assert_eq!(TO_NE_BYTES, [0x80, 0, 0, 0]); diff --git a/src/test/ui/consts/const-int-conversion.rs b/src/test/ui/consts/const-int-conversion.rs index b80e616eae77e..5a05a2b35937a 100644 --- a/src/test/ui/consts/const-int-conversion.rs +++ b/src/test/ui/consts/const-int-conversion.rs @@ -11,6 +11,6 @@ fn main() { //~^ ERROR temporary value dropped while borrowed let c: &'static [u8] = &(0x12_34_56_78_i32.to_le_bytes()); //~^ ERROR temporary value dropped while borrowed - let d: &'static [u8] = &(i32::min_value().to_be().to_ne_bytes()); + let d: &'static [u8] = &(i32::MIN.to_be().to_ne_bytes()); //~^ ERROR temporary value dropped while borrowed } diff --git a/src/test/ui/consts/const-int-conversion.stderr b/src/test/ui/consts/const-int-conversion.stderr index 237f9627219bd..6840e39673572 100644 --- a/src/test/ui/consts/const-int-conversion.stderr +++ b/src/test/ui/consts/const-int-conversion.stderr @@ -67,7 +67,7 @@ LL | } error[E0716]: temporary value dropped while borrowed --> $DIR/const-int-conversion.rs:14:29 | -LL | let d: &'static [u8] = &(i32::min_value().to_be().to_ne_bytes()); +LL | let d: &'static [u8] = &(i32::MIN.to_be().to_ne_bytes()); | ------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ creates a temporary which is freed while still in use | | | type annotation requires that borrow lasts for `'static` diff --git a/src/test/ui/consts/const-int-overflowing-rpass.rs b/src/test/ui/consts/const-int-overflowing-rpass.rs index 9be87a6447cda..75e77fdf1be17 100644 --- a/src/test/ui/consts/const-int-overflowing-rpass.rs +++ b/src/test/ui/consts/const-int-overflowing-rpass.rs @@ -1,7 +1,7 @@ // run-pass const ADD_A: (u32, bool) = 5u32.overflowing_add(2); -const ADD_B: (u32, bool) = u32::max_value().overflowing_add(1); +const ADD_B: (u32, bool) = u32::MAX.overflowing_add(1); const SUB_A: (u32, bool) = 5u32.overflowing_sub(2); const SUB_B: (u32, bool) = 0u32.overflowing_sub(1); @@ -16,18 +16,18 @@ const SHR_A: (u32, bool) = 0x10u32.overflowing_shr(4); const SHR_B: (u32, bool) = 0x10u32.overflowing_shr(132); const NEG_A: (u32, bool) = 0u32.overflowing_neg(); -const NEG_B: (u32, bool) = core::u32::MAX.overflowing_neg(); +const NEG_B: (u32, bool) = u32::MAX.overflowing_neg(); const ABS_POS: (i32, bool) = 10i32.overflowing_abs(); const ABS_NEG: (i32, bool) = (-10i32).overflowing_abs(); -const ABS_MIN: (i32, bool) = i32::min_value().overflowing_abs(); +const ABS_MIN: (i32, bool) = i32::MIN.overflowing_abs(); fn main() { assert_eq!(ADD_A, (7, false)); assert_eq!(ADD_B, (0, true)); assert_eq!(SUB_A, (3, false)); - assert_eq!(SUB_B, (u32::max_value(), true)); + assert_eq!(SUB_B, (u32::MAX, true)); assert_eq!(MUL_A, (10, false)); assert_eq!(MUL_B, (1410065408, true)); @@ -43,5 +43,5 @@ fn main() { assert_eq!(ABS_POS, (10, false)); assert_eq!(ABS_NEG, (10, false)); - assert_eq!(ABS_MIN, (i32::min_value(), true)); + assert_eq!(ABS_MIN, (i32::MIN, true)); } diff --git a/src/test/ui/consts/const-int-saturating-arith.rs b/src/test/ui/consts/const-int-saturating-arith.rs index d0a3eccd17763..4718120a51bd3 100644 --- a/src/test/ui/consts/const-int-saturating-arith.rs +++ b/src/test/ui/consts/const-int-saturating-arith.rs @@ -2,33 +2,33 @@ #![feature(const_saturating_int_methods)] const INT_U32_NO: u32 = (42 as u32).saturating_add(2); -const INT_U32: u32 = u32::max_value().saturating_add(1); -const INT_U128: u128 = u128::max_value().saturating_add(1); -const INT_I128: i128 = i128::max_value().saturating_add(1); -const INT_I128_NEG: i128 = i128::min_value().saturating_add(-1); +const INT_U32: u32 = u32::MAX.saturating_add(1); +const INT_U128: u128 = u128::MAX.saturating_add(1); +const INT_I128: i128 = i128::MAX.saturating_add(1); +const INT_I128_NEG: i128 = i128::MIN.saturating_add(-1); const INT_U32_NO_SUB: u32 = (42 as u32).saturating_sub(2); const INT_U32_SUB: u32 = (1 as u32).saturating_sub(2); const INT_I32_NO_SUB: i32 = (-42 as i32).saturating_sub(2); -const INT_I32_NEG_SUB: i32 = i32::min_value().saturating_sub(1); -const INT_I32_POS_SUB: i32 = i32::max_value().saturating_sub(-1); +const INT_I32_NEG_SUB: i32 = i32::MIN.saturating_sub(1); +const INT_I32_POS_SUB: i32 = i32::MAX.saturating_sub(-1); const INT_U128_SUB: u128 = (0 as u128).saturating_sub(1); -const INT_I128_NEG_SUB: i128 = i128::min_value().saturating_sub(1); -const INT_I128_POS_SUB: i128 = i128::max_value().saturating_sub(-1); +const INT_I128_NEG_SUB: i128 = i128::MIN.saturating_sub(1); +const INT_I128_POS_SUB: i128 = i128::MAX.saturating_sub(-1); fn main() { assert_eq!(INT_U32_NO, 44); - assert_eq!(INT_U32, u32::max_value()); - assert_eq!(INT_U128, u128::max_value()); - assert_eq!(INT_I128, i128::max_value()); - assert_eq!(INT_I128_NEG, i128::min_value()); + assert_eq!(INT_U32, u32::MAX); + assert_eq!(INT_U128, u128::MAX); + assert_eq!(INT_I128, i128::MAX); + assert_eq!(INT_I128_NEG, i128::MIN); assert_eq!(INT_U32_NO_SUB, 40); assert_eq!(INT_U32_SUB, 0); assert_eq!(INT_I32_NO_SUB, -44); - assert_eq!(INT_I32_NEG_SUB, i32::min_value()); - assert_eq!(INT_I32_POS_SUB, i32::max_value()); + assert_eq!(INT_I32_NEG_SUB, i32::MIN); + assert_eq!(INT_I32_POS_SUB, i32::MAX); assert_eq!(INT_U128_SUB, 0); - assert_eq!(INT_I128_NEG_SUB, i128::min_value()); - assert_eq!(INT_I128_POS_SUB, i128::max_value()); + assert_eq!(INT_I128_NEG_SUB, i128::MIN); + assert_eq!(INT_I128_POS_SUB, i128::MAX); } diff --git a/src/test/ui/consts/const-int-wrapping-rpass.rs b/src/test/ui/consts/const-int-wrapping-rpass.rs index 2bbad99a52a90..225d1e9393db4 100644 --- a/src/test/ui/consts/const-int-wrapping-rpass.rs +++ b/src/test/ui/consts/const-int-wrapping-rpass.rs @@ -1,10 +1,10 @@ // run-pass const ADD_A: u32 = 200u32.wrapping_add(55); -const ADD_B: u32 = 200u32.wrapping_add(u32::max_value()); +const ADD_B: u32 = 200u32.wrapping_add(u32::MAX); const SUB_A: u32 = 100u32.wrapping_sub(100); -const SUB_B: u32 = 100u32.wrapping_sub(u32::max_value()); +const SUB_B: u32 = 100u32.wrapping_sub(u32::MAX); const MUL_A: u8 = 10u8.wrapping_mul(12); const MUL_B: u8 = 25u8.wrapping_mul(12); @@ -20,7 +20,7 @@ const NEG_B: u32 = 1234567890u32.wrapping_neg(); const ABS_POS: i32 = 10i32.wrapping_abs(); const ABS_NEG: i32 = (-10i32).wrapping_abs(); -const ABS_MIN: i32 = i32::min_value().wrapping_abs(); +const ABS_MIN: i32 = i32::MIN.wrapping_abs(); fn main() { assert_eq!(ADD_A, 255); @@ -43,5 +43,5 @@ fn main() { assert_eq!(ABS_POS, 10); assert_eq!(ABS_NEG, 10); - assert_eq!(ABS_MIN, i32::min_value()); + assert_eq!(ABS_MIN, i32::MIN); } diff --git a/src/test/ui/consts/const-match-check.eval1.stderr b/src/test/ui/consts/const-match-check.eval1.stderr index 087cc3c86a68d..bcdeac80d2dbb 100644 --- a/src/test/ui/consts/const-match-check.eval1.stderr +++ b/src/test/ui/consts/const-match-check.eval1.stderr @@ -1,8 +1,8 @@ -error[E0005]: refutable pattern in local binding: `std::i32::MIN..=-1i32` and `1i32..=std::i32::MAX` not covered +error[E0005]: refutable pattern in local binding: `i32::MIN..=-1i32` and `1i32..=i32::MAX` not covered --> $DIR/const-match-check.rs:25:15 | LL | A = { let 0 = 0; 0 }, - | ^ patterns `std::i32::MIN..=-1i32` and `1i32..=std::i32::MAX` not covered + | ^ patterns `i32::MIN..=-1i32` and `1i32..=i32::MAX` not covered | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html diff --git a/src/test/ui/consts/const-match-check.eval2.stderr b/src/test/ui/consts/const-match-check.eval2.stderr index 80d9f794bc1d5..993dbe944bcc1 100644 --- a/src/test/ui/consts/const-match-check.eval2.stderr +++ b/src/test/ui/consts/const-match-check.eval2.stderr @@ -1,8 +1,8 @@ -error[E0005]: refutable pattern in local binding: `std::i32::MIN..=-1i32` and `1i32..=std::i32::MAX` not covered +error[E0005]: refutable pattern in local binding: `i32::MIN..=-1i32` and `1i32..=i32::MAX` not covered --> $DIR/const-match-check.rs:31:24 | LL | let x: [i32; { let 0 = 0; 0 }] = []; - | ^ patterns `std::i32::MIN..=-1i32` and `1i32..=std::i32::MAX` not covered + | ^ patterns `i32::MIN..=-1i32` and `1i32..=i32::MAX` not covered | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html diff --git a/src/test/ui/consts/const-match-check.matchck.stderr b/src/test/ui/consts/const-match-check.matchck.stderr index e6b2f212bb430..da43563f044b1 100644 --- a/src/test/ui/consts/const-match-check.matchck.stderr +++ b/src/test/ui/consts/const-match-check.matchck.stderr @@ -1,8 +1,8 @@ -error[E0005]: refutable pattern in local binding: `std::i32::MIN..=-1i32` and `1i32..=std::i32::MAX` not covered +error[E0005]: refutable pattern in local binding: `i32::MIN..=-1i32` and `1i32..=i32::MAX` not covered --> $DIR/const-match-check.rs:4:22 | LL | const X: i32 = { let 0 = 0; 0 }; - | ^ patterns `std::i32::MIN..=-1i32` and `1i32..=std::i32::MAX` not covered + | ^ patterns `i32::MIN..=-1i32` and `1i32..=i32::MAX` not covered | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html @@ -11,11 +11,11 @@ help: you might want to use `if let` to ignore the variant that isn't matched LL | const X: i32 = { if let 0 = 0 { /* */ } 0 }; | ^^^^^^^^^^^^^^^^^^^^^^ -error[E0005]: refutable pattern in local binding: `std::i32::MIN..=-1i32` and `1i32..=std::i32::MAX` not covered +error[E0005]: refutable pattern in local binding: `i32::MIN..=-1i32` and `1i32..=i32::MAX` not covered --> $DIR/const-match-check.rs:8:23 | LL | static Y: i32 = { let 0 = 0; 0 }; - | ^ patterns `std::i32::MIN..=-1i32` and `1i32..=std::i32::MAX` not covered + | ^ patterns `i32::MIN..=-1i32` and `1i32..=i32::MAX` not covered | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html @@ -24,11 +24,11 @@ help: you might want to use `if let` to ignore the variant that isn't matched LL | static Y: i32 = { if let 0 = 0 { /* */ } 0 }; | ^^^^^^^^^^^^^^^^^^^^^^ -error[E0005]: refutable pattern in local binding: `std::i32::MIN..=-1i32` and `1i32..=std::i32::MAX` not covered +error[E0005]: refutable pattern in local binding: `i32::MIN..=-1i32` and `1i32..=i32::MAX` not covered --> $DIR/const-match-check.rs:13:26 | LL | const X: i32 = { let 0 = 0; 0 }; - | ^ patterns `std::i32::MIN..=-1i32` and `1i32..=std::i32::MAX` not covered + | ^ patterns `i32::MIN..=-1i32` and `1i32..=i32::MAX` not covered | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html @@ -37,11 +37,11 @@ help: you might want to use `if let` to ignore the variant that isn't matched LL | const X: i32 = { if let 0 = 0 { /* */ } 0 }; | ^^^^^^^^^^^^^^^^^^^^^^ -error[E0005]: refutable pattern in local binding: `std::i32::MIN..=-1i32` and `1i32..=std::i32::MAX` not covered +error[E0005]: refutable pattern in local binding: `i32::MIN..=-1i32` and `1i32..=i32::MAX` not covered --> $DIR/const-match-check.rs:19:26 | LL | const X: i32 = { let 0 = 0; 0 }; - | ^ patterns `std::i32::MIN..=-1i32` and `1i32..=std::i32::MAX` not covered + | ^ patterns `i32::MIN..=-1i32` and `1i32..=i32::MAX` not covered | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html diff --git a/src/test/ui/consts/const-negation.rs b/src/test/ui/consts/const-negation.rs index 1c8e27ae6172a..26c3c0b836bec 100644 --- a/src/test/ui/consts/const-negation.rs +++ b/src/test/ui/consts/const-negation.rs @@ -8,19 +8,19 @@ fn main() { const I: isize = -2147483648isize; #[cfg(target_pointer_width = "64")] const I: isize = -9223372036854775808isize; - assert_eq!(::std::i32::MIN as u64, 0xffffffff80000000); + assert_eq!(i32::MIN as u64, 0xffffffff80000000); assert_eq!(-2147483648isize as u64, 0xffffffff80000000); assert_eq!(-2147483648i32 as u64, 0xffffffff80000000); - assert_eq!(::std::i64::MIN as u64, 0x8000000000000000); + assert_eq!(i64::MIN as u64, 0x8000000000000000); #[cfg(target_pointer_width = "64")] assert_eq!(-9223372036854775808isize as u64, 0x8000000000000000); #[cfg(target_pointer_width = "32")] assert_eq!(-9223372036854775808isize as u64, 0); assert_eq!(-9223372036854775808i32 as u64, 0); - const J: usize = ::std::i32::MAX as usize; + const J: usize = i32::MAX as usize; const K: usize = -1i32 as u32 as usize; - const L: usize = ::std::i32::MIN as usize; - const M: usize = ::std::i64::MIN as usize; + const L: usize = i32::MIN as usize; + const M: usize = i64::MIN as usize; match 5 { J => {}, K => {}, diff --git a/src/test/ui/consts/const-pattern-irrefutable.rs b/src/test/ui/consts/const-pattern-irrefutable.rs index 60e16aaf89532..65f09eb80098c 100644 --- a/src/test/ui/consts/const-pattern-irrefutable.rs +++ b/src/test/ui/consts/const-pattern-irrefutable.rs @@ -9,8 +9,8 @@ use foo::d; const a: u8 = 2; fn main() { - let a = 4; //~ ERROR refutable pattern in local binding: `0u8..=1u8` and `3u8..=std::u8::MAX - let c = 4; //~ ERROR refutable pattern in local binding: `0u8..=1u8` and `3u8..=std::u8::MAX - let d = 4; //~ ERROR refutable pattern in local binding: `0u8..=1u8` and `3u8..=std::u8::MAX + let a = 4; //~ ERROR refutable pattern in local binding: `0u8..=1u8` and `3u8..=u8::MAX + let c = 4; //~ ERROR refutable pattern in local binding: `0u8..=1u8` and `3u8..=u8::MAX + let d = 4; //~ ERROR refutable pattern in local binding: `0u8..=1u8` and `3u8..=u8::MAX fn f() {} // Check that the `NOTE`s still work with an item here (cf. issue #35115). } diff --git a/src/test/ui/consts/const-pattern-irrefutable.stderr b/src/test/ui/consts/const-pattern-irrefutable.stderr index 4814aa9a5b2ca..c9064aef5afc6 100644 --- a/src/test/ui/consts/const-pattern-irrefutable.stderr +++ b/src/test/ui/consts/const-pattern-irrefutable.stderr @@ -1,4 +1,4 @@ -error[E0005]: refutable pattern in local binding: `0u8..=1u8` and `3u8..=std::u8::MAX` not covered +error[E0005]: refutable pattern in local binding: `0u8..=1u8` and `3u8..=u8::MAX` not covered --> $DIR/const-pattern-irrefutable.rs:12:9 | LL | const a: u8 = 2; @@ -10,7 +10,7 @@ LL | let a = 4; | interpreted as a constant pattern, not a new variable | help: introduce a variable instead: `a_var` -error[E0005]: refutable pattern in local binding: `0u8..=1u8` and `3u8..=std::u8::MAX` not covered +error[E0005]: refutable pattern in local binding: `0u8..=1u8` and `3u8..=u8::MAX` not covered --> $DIR/const-pattern-irrefutable.rs:13:9 | LL | pub const b: u8 = 2; @@ -22,7 +22,7 @@ LL | let c = 4; | interpreted as a constant pattern, not a new variable | help: introduce a variable instead: `c_var` -error[E0005]: refutable pattern in local binding: `0u8..=1u8` and `3u8..=std::u8::MAX` not covered +error[E0005]: refutable pattern in local binding: `0u8..=1u8` and `3u8..=u8::MAX` not covered --> $DIR/const-pattern-irrefutable.rs:14:9 | LL | pub const d: u8 = 2; diff --git a/src/test/ui/consts/promote_fn_calls_std.rs b/src/test/ui/consts/promote_fn_calls_std.rs index bdb472f3a9cce..2e46e92362a80 100644 --- a/src/test/ui/consts/promote_fn_calls_std.rs +++ b/src/test/ui/consts/promote_fn_calls_std.rs @@ -1,28 +1,28 @@ // build-pass (FIXME(62277): could be check-pass?) fn main() { - let x: &'static u8 = &u8::max_value(); - let x: &'static u16 = &u16::max_value(); - let x: &'static u32 = &u32::max_value(); - let x: &'static u64 = &u64::max_value(); - let x: &'static u128 = &u128::max_value(); - let x: &'static usize = &usize::max_value(); - let x: &'static u8 = &u8::min_value(); - let x: &'static u16 = &u16::min_value(); - let x: &'static u32 = &u32::min_value(); - let x: &'static u64 = &u64::min_value(); - let x: &'static u128 = &u128::min_value(); - let x: &'static usize = &usize::min_value(); - let x: &'static i8 = &i8::max_value(); - let x: &'static i16 = &i16::max_value(); - let x: &'static i32 = &i32::max_value(); - let x: &'static i64 = &i64::max_value(); - let x: &'static i128 = &i128::max_value(); - let x: &'static isize = &isize::max_value(); - let x: &'static i8 = &i8::min_value(); - let x: &'static i16 = &i16::min_value(); - let x: &'static i32 = &i32::min_value(); - let x: &'static i64 = &i64::min_value(); - let x: &'static i128 = &i128::min_value(); - let x: &'static isize = &isize::min_value(); + let x: &'static u8 = &u8::MAX; + let x: &'static u16 = &u16::MAX; + let x: &'static u32 = &u32::MAX; + let x: &'static u64 = &u64::MAX; + let x: &'static u128 = &u128::MAX; + let x: &'static usize = &usize::MAX; + let x: &'static u8 = &u8::MIN; + let x: &'static u16 = &u16::MIN; + let x: &'static u32 = &u32::MIN; + let x: &'static u64 = &u64::MIN; + let x: &'static u128 = &u128::MIN; + let x: &'static usize = &usize::MIN; + let x: &'static i8 = &i8::MAX; + let x: &'static i16 = &i16::MAX; + let x: &'static i32 = &i32::MAX; + let x: &'static i64 = &i64::MAX; + let x: &'static i128 = &i128::MAX; + let x: &'static isize = &isize::MAX; + let x: &'static i8 = &i8::MIN; + let x: &'static i16 = &i16::MIN; + let x: &'static i32 = &i32::MIN; + let x: &'static i64 = &i64::MIN; + let x: &'static i128 = &i128::MIN; + let x: &'static isize = &isize::MIN; } diff --git a/src/test/ui/consts/promotion.rs b/src/test/ui/consts/promotion.rs index 3c5401e421216..7b343e6dfe084 100644 --- a/src/test/ui/consts/promotion.rs +++ b/src/test/ui/consts/promotion.rs @@ -13,5 +13,5 @@ fn main() { // make sure that these do not cause trouble despite overflowing baz_u32(&(0-1)); - baz_i32(&-std::i32::MIN); + baz_i32(&-i32::MIN); } diff --git a/src/test/ui/discrim/discrim-ill-typed.rs b/src/test/ui/discrim/discrim-ill-typed.rs index 98c90f0ea6828..3cf0ea0e6b997 100644 --- a/src/test/ui/discrim/discrim-ill-typed.rs +++ b/src/test/ui/discrim/discrim-ill-typed.rs @@ -7,8 +7,6 @@ #![allow(dead_code, unused_variables, unused_imports)] -use std::{i8,u8,i16,u16,i32,u32,i64, u64}; - fn f_i8() { #[repr(i8)] enum A { diff --git a/src/test/ui/discrim/discrim-overflow-2.rs b/src/test/ui/discrim/discrim-overflow-2.rs index f8f565f4d9c14..ca24317c54dc2 100644 --- a/src/test/ui/discrim/discrim-overflow-2.rs +++ b/src/test/ui/discrim/discrim-overflow-2.rs @@ -5,8 +5,6 @@ // See also run-pass/discrim-explicit-23030.rs where the suggested // workaround is tested. -use std::{i8,u8,i16,u16,i32,u32,i64, u64}; - fn f_i8() { #[repr(i8)] enum A { diff --git a/src/test/ui/discrim/discrim-overflow.rs b/src/test/ui/discrim/discrim-overflow.rs index d8a9dacfa5180..774ced93c1723 100644 --- a/src/test/ui/discrim/discrim-overflow.rs +++ b/src/test/ui/discrim/discrim-overflow.rs @@ -3,8 +3,6 @@ // See also run-pass/discrim-explicit-23030.rs where the suggested // workaround is tested. -use std::{i8,u8,i16,u16,i32,u32,i64, u64}; - fn f_i8() { #[repr(i8)] enum A { diff --git a/src/test/ui/drop/dynamic-drop-async.rs b/src/test/ui/drop/dynamic-drop-async.rs index 91063edf0f6c4..31240c74a4745 100644 --- a/src/test/ui/drop/dynamic-drop-async.rs +++ b/src/test/ui/drop/dynamic-drop-async.rs @@ -19,7 +19,6 @@ use std::{ ptr, rc::Rc, task::{Context, Poll, RawWaker, RawWakerVTable, Waker}, - usize, }; struct InjectedFailure; diff --git a/src/test/ui/drop/dynamic-drop.rs b/src/test/ui/drop/dynamic-drop.rs index 0f0ec0ba460c8..f570b2e162f13 100644 --- a/src/test/ui/drop/dynamic-drop.rs +++ b/src/test/ui/drop/dynamic-drop.rs @@ -12,7 +12,6 @@ use std::mem::ManuallyDrop; use std::ops::Generator; use std::panic; use std::pin::Pin; -use std::usize; struct InjectedFailure; diff --git a/src/test/ui/feature-gates/feature-gate-precise_pointer_size_matching.rs b/src/test/ui/feature-gates/feature-gate-precise_pointer_size_matching.rs index 1208552d25637..54d0e49c8c58e 100644 --- a/src/test/ui/feature-gates/feature-gate-precise_pointer_size_matching.rs +++ b/src/test/ui/feature-gates/feature-gate-precise_pointer_size_matching.rs @@ -1,10 +1,8 @@ #![feature(exclusive_range_pattern)] -use std::usize::MAX; - fn main() { match 0usize { //~ERROR non-exhaustive patterns: `_` not covered - 0..=MAX => {} + 0..=usize::MAX => {} } match 0isize { //~ERROR non-exhaustive patterns: `_` not covered diff --git a/src/test/ui/for/for-loop-refutable-pattern-error-message.stderr b/src/test/ui/for/for-loop-refutable-pattern-error-message.stderr index 14aea2dc27eea..365cb2ae5bc11 100644 --- a/src/test/ui/for/for-loop-refutable-pattern-error-message.stderr +++ b/src/test/ui/for/for-loop-refutable-pattern-error-message.stderr @@ -1,8 +1,8 @@ -error[E0005]: refutable pattern in `for` loop binding: `&std::i32::MIN..=0i32` and `&2i32..=std::i32::MAX` not covered +error[E0005]: refutable pattern in `for` loop binding: `&i32::MIN..=0i32` and `&2i32..=i32::MAX` not covered --> $DIR/for-loop-refutable-pattern-error-message.rs:2:9 | LL | for &1 in [1].iter() {} - | ^^ patterns `&std::i32::MIN..=0i32` and `&2i32..=std::i32::MAX` not covered + | ^^ patterns `&i32::MIN..=0i32` and `&2i32..=i32::MAX` not covered error: aborting due to previous error diff --git a/src/test/ui/format-nan.rs b/src/test/ui/format-nan.rs index e4a134fa2fbe0..438f3f46036f7 100644 --- a/src/test/ui/format-nan.rs +++ b/src/test/ui/format-nan.rs @@ -1,7 +1,6 @@ // run-pass pub fn main() { - use std::f64; let x = "NaN".to_string(); assert_eq!(format!("{}", f64::NAN), x); assert_eq!(format!("{:e}", f64::NAN), x); diff --git a/src/test/ui/ifmt.rs b/src/test/ui/ifmt.rs index 1a070843cc446..da05238559f2d 100644 --- a/src/test/ui/ifmt.rs +++ b/src/test/ui/ifmt.rs @@ -7,7 +7,6 @@ use std::cell::RefCell; use std::fmt::{self, Write}; -use std::usize; struct A; struct B; diff --git a/src/test/ui/issues/issue-20427.rs b/src/test/ui/issues/issue-20427.rs index fa2ea6cf592af..21c5a73054acc 100644 --- a/src/test/ui/issues/issue-20427.rs +++ b/src/test/ui/issues/issue-20427.rs @@ -66,6 +66,7 @@ mod reuse { } mod guard { + #[allow(deprecated)] pub fn check() { use std::u8; // bring module u8 in scope fn f() -> u8 { // OK, resolves to primitive u8, not to std::u8 diff --git a/src/test/ui/issues/issue-22933-3.stderr b/src/test/ui/issues/issue-22933-3.stderr index 72bca3b040839..ed4f768cd275b 100644 --- a/src/test/ui/issues/issue-22933-3.stderr +++ b/src/test/ui/issues/issue-22933-3.stderr @@ -6,7 +6,7 @@ LL | const FOO: [u32; u8::MIN as usize] = []; | help: you are looking for the module in `std`, not the primitive type | -LL | const FOO: [u32; std::u8::MIN as usize] = []; +LL | const FOO: [u32; u8::MIN as usize] = []; | ^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/issues/issue-23833.rs b/src/test/ui/issues/issue-23833.rs index 77dc5c50d7aba..d4128fa54e3da 100644 --- a/src/test/ui/issues/issue-23833.rs +++ b/src/test/ui/issues/issue-23833.rs @@ -1,8 +1,6 @@ // run-pass #![allow(unused_imports)] use std::fmt; -use std::{i8, i16, i32, i64, isize}; -use std::{u8, u16, u32, u64, usize}; const A_I8_T : [u32; (i8::MAX as i8 - 1i8) as usize] diff --git a/src/test/ui/issues/issue-37686.rs b/src/test/ui/issues/issue-37686.rs index 8c3762514494a..ba58e9e9d8976 100644 --- a/src/test/ui/issues/issue-37686.rs +++ b/src/test/ui/issues/issue-37686.rs @@ -1,7 +1,7 @@ // run-pass fn main() { match (0, 0) { - (std::usize::MIN, std::usize::MAX) => {} + (usize::MIN, usize::MAX) => {} _ => {} } } diff --git a/src/test/ui/issues/issue-41880.rs b/src/test/ui/issues/issue-41880.rs index 16facc5a78f8d..37f2729a2b0a9 100644 --- a/src/test/ui/issues/issue-41880.rs +++ b/src/test/ui/issues/issue-41880.rs @@ -19,7 +19,7 @@ impl Iterator for Iterate where F: Fn(&T) -> T { Some(self.state.clone()) } #[inline] - fn size_hint(&self) -> (usize, Option) { (std::usize::MAX, None) } + fn size_hint(&self) -> (usize, Option) { (usize::MAX, None) } } fn main() { diff --git a/src/test/ui/issues/issue-48006.rs b/src/test/ui/issues/issue-48006.rs index 3a862ace55ecc..cfef270e5a67c 100644 --- a/src/test/ui/issues/issue-48006.rs +++ b/src/test/ui/issues/issue-48006.rs @@ -6,10 +6,10 @@ use std::iter::Step; #[cfg(target_pointer_width = "16")] fn main() { - assert!(Step::steps_between(&0u32, &::std::u32::MAX).is_none()); + assert!(Step::steps_between(&0u32, &u32::MAX).is_none()); } #[cfg(any(target_pointer_width = "32", target_pointer_width = "64"))] fn main() { - assert!(Step::steps_between(&0u32, &::std::u32::MAX).is_some()); + assert!(Step::steps_between(&0u32, &u32::MAX).is_some()); } diff --git a/src/test/ui/issues/issue-50811.rs b/src/test/ui/issues/issue-50811.rs index 63d87e03c4899..683c856049fdc 100644 --- a/src/test/ui/issues/issue-50811.rs +++ b/src/test/ui/issues/issue-50811.rs @@ -3,7 +3,6 @@ extern crate test; -use std::f64::{NAN, NEG_INFINITY, INFINITY, MAX}; use std::mem::size_of; use test::black_box; @@ -12,7 +11,7 @@ use test::black_box; macro_rules! compare { ($op:tt) => { compare!( - [NEG_INFINITY, -MAX, -1.0, -0.0, 0.0, 1.0, MAX, INFINITY, NAN], + [f64::NEG_INFINITY, -f64::MAX, -1.0, -0.0, 0.0, 1.0, f64::MAX, f64::INFINITY, f64::NAN], $op ); }; @@ -20,7 +19,7 @@ macro_rules! compare { $(compare!( $lhs, $op, - [NEG_INFINITY, -MAX, -1.0, -0.0, 0.0, 1.0, MAX, INFINITY, NAN] + [f64::NEG_INFINITY, -f64::MAX, -1.0, -0.0, 0.0, 1.0, f64::MAX, f64::INFINITY, f64::NAN] );)+ }; ($lhs:expr, $op:tt, [$($rhs:expr),+]) => { @@ -44,8 +43,8 @@ macro_rules! compare { fn main() { assert_eq!(0.0/0.0 < 0.0/0.0, false); assert_eq!(0.0/0.0 > 0.0/0.0, false); - assert_eq!(NAN < NAN, false); - assert_eq!(NAN > NAN, false); + assert_eq!(f64::NAN < f64::NAN, false); + assert_eq!(f64::NAN > f64::NAN, false); compare!(==); compare!(!=); diff --git a/src/test/ui/issues/issue-6804.rs b/src/test/ui/issues/issue-6804.rs index b4af3581a0de0..36b14d7555dd2 100644 --- a/src/test/ui/issues/issue-6804.rs +++ b/src/test/ui/issues/issue-6804.rs @@ -3,12 +3,10 @@ #![allow(unused)] #![deny(illegal_floating_point_literal_pattern)] -use std::f64::NAN; - fn main() { - let x = NAN; + let x = f64::NAN; match x { - NAN => {}, //~ ERROR floating-point types cannot be used + f64::NAN => {}, //~ ERROR floating-point types cannot be used //~^ WARN this was previously accepted by the compiler but is being phased out //~| ERROR floating-point types cannot be used in patterns //~| WARN this was previously accepted by the compiler but is being phased out @@ -16,7 +14,7 @@ fn main() { }; match [x, 1.0] { - [NAN, _] => {}, //~ ERROR floating-point types cannot be used + [f64::NAN, _] => {}, //~ ERROR floating-point types cannot be used //~^ WARN this was previously accepted by the compiler but is being phased out _ => {}, }; diff --git a/src/test/ui/issues/issue-8460-const.rs b/src/test/ui/issues/issue-8460-const.rs index c18a0d4d6cbbe..220de51b9b9a0 100644 --- a/src/test/ui/issues/issue-8460-const.rs +++ b/src/test/ui/issues/issue-8460-const.rs @@ -3,7 +3,6 @@ #![deny(const_err)] -use std::{isize, i8, i16, i32, i64}; use std::thread; fn main() { diff --git a/src/test/ui/issues/issue-8460-const2.rs b/src/test/ui/issues/issue-8460-const2.rs index 0ca850abc1b60..9716bbf9845b7 100644 --- a/src/test/ui/issues/issue-8460-const2.rs +++ b/src/test/ui/issues/issue-8460-const2.rs @@ -3,7 +3,6 @@ #![deny(const_err)] -use std::{isize, i8, i16, i32, i64}; use std::thread; fn main() { diff --git a/src/test/ui/issues/issue-8460.rs b/src/test/ui/issues/issue-8460.rs index 3fd576a8d3580..a7de4bd74aae4 100644 --- a/src/test/ui/issues/issue-8460.rs +++ b/src/test/ui/issues/issue-8460.rs @@ -27,21 +27,21 @@ macro_rules! check { fn main() { check![ - isize::min_value() / -isize::one(), - i8::min_value() / -i8::one(), - i16::min_value() / -i16::one(), - i32::min_value() / -i32::one(), - i64::min_value() / -i64::one(), + isize::MIN / -isize::one(), + i8::MIN / -i8::one(), + i16::MIN / -i16::one(), + i32::MIN / -i32::one(), + i64::MIN / -i64::one(), 1isize / isize::zero(), 1i8 / i8::zero(), 1i16 / i16::zero(), 1i32 / i32::zero(), 1i64 / i64::zero(), - isize::min_value() % -isize::one(), - i8::min_value() % -i8::one(), - i16::min_value() % -i16::one(), - i32::min_value() % -i32::one(), - i64::min_value() % -i64::one(), + isize::MIN % -isize::one(), + i8::MIN % -i8::one(), + i16::MIN % -i16::one(), + i32::MIN % -i32::one(), + i64::MIN % -i64::one(), 1isize % isize::zero(), 1i8 % i8::zero(), 1i16 % i16::zero(), diff --git a/src/test/ui/iterators/iter-count-overflow-debug.rs b/src/test/ui/iterators/iter-count-overflow-debug.rs index d661203575083..f5feb8d7640af 100644 --- a/src/test/ui/iterators/iter-count-overflow-debug.rs +++ b/src/test/ui/iterators/iter-count-overflow-debug.rs @@ -4,13 +4,12 @@ // compile-flags: -C debug_assertions=yes -C opt-level=3 use std::panic; -use std::usize::MAX; fn main() { - assert_eq!((0..MAX).by_ref().count(), MAX); + assert_eq!((0..usize::MAX).by_ref().count(), MAX); let r = panic::catch_unwind(|| { - (0..=MAX).by_ref().count() + (0..=usize::MAX).by_ref().count() }); assert!(r.is_err()); } diff --git a/src/test/ui/iterators/iter-count-overflow-ndebug.rs b/src/test/ui/iterators/iter-count-overflow-ndebug.rs index b755bb554f441..2ecf5096bf819 100644 --- a/src/test/ui/iterators/iter-count-overflow-ndebug.rs +++ b/src/test/ui/iterators/iter-count-overflow-ndebug.rs @@ -3,9 +3,8 @@ // compile-flags: -C debug_assertions=no -C opt-level=3 use std::panic; -use std::usize::MAX; fn main() { - assert_eq!((0..MAX).by_ref().count(), MAX); - assert_eq!((0..=MAX).by_ref().count(), 0); + assert_eq!((0..usize::MAX).by_ref().count(), usize::MAX); + assert_eq!((0..=usize::MAX).by_ref().count(), 0); } diff --git a/src/test/ui/iterators/iter-position-overflow-debug.rs b/src/test/ui/iterators/iter-position-overflow-debug.rs index f1eded31702c4..733ee0c46cc3d 100644 --- a/src/test/ui/iterators/iter-position-overflow-debug.rs +++ b/src/test/ui/iterators/iter-position-overflow-debug.rs @@ -4,11 +4,10 @@ // compile-flags: -C debug_assertions=yes -C opt-level=3 use std::panic; -use std::usize::MAX; fn main() { - let n = MAX as u64; - assert_eq!((0..).by_ref().position(|i| i >= n), Some(MAX)); + let n = usize::MAX as u64; + assert_eq!((0..).by_ref().position(|i| i >= n), Some(usize::MAX)); let r = panic::catch_unwind(|| { (0..).by_ref().position(|i| i > n) diff --git a/src/test/ui/iterators/iter-position-overflow-ndebug.rs b/src/test/ui/iterators/iter-position-overflow-ndebug.rs index 368f9c0c02b07..d4532ee8f59e8 100644 --- a/src/test/ui/iterators/iter-position-overflow-ndebug.rs +++ b/src/test/ui/iterators/iter-position-overflow-ndebug.rs @@ -3,11 +3,10 @@ // compile-flags: -C debug_assertions=no -C opt-level=3 use std::panic; -use std::usize::MAX; fn main() { - let n = MAX as u64; - assert_eq!((0..).by_ref().position(|i| i >= n), Some(MAX)); + let n = usize::MAX as u64; + assert_eq!((0..).by_ref().position(|i| i >= n), Some(usize::MAX)); assert_eq!((0..).by_ref().position(|i| i > n), Some(0)); assert_eq!((0..=n + 1).by_ref().position(|_| false), None); } diff --git a/src/test/ui/iterators/iter-step-overflow-debug.rs b/src/test/ui/iterators/iter-step-overflow-debug.rs index 5d67c7cbb4256..67605d2fcc253 100644 --- a/src/test/ui/iterators/iter-step-overflow-debug.rs +++ b/src/test/ui/iterators/iter-step-overflow-debug.rs @@ -6,14 +6,14 @@ use std::panic; fn main() { let r = panic::catch_unwind(|| { - let mut it = u8::max_value()..; + let mut it = u8::MAX..; it.next().unwrap(); // 255 it.next().unwrap(); }); assert!(r.is_err()); let r = panic::catch_unwind(|| { - let mut it = i8::max_value()..; + let mut it = i8::MAX..; it.next().unwrap(); // 127 it.next().unwrap(); }); diff --git a/src/test/ui/iterators/iter-step-overflow-ndebug.rs b/src/test/ui/iterators/iter-step-overflow-ndebug.rs index a0ad92071b66c..33e708769badb 100644 --- a/src/test/ui/iterators/iter-step-overflow-ndebug.rs +++ b/src/test/ui/iterators/iter-step-overflow-ndebug.rs @@ -2,11 +2,11 @@ // compile-flags: -C debug_assertions=no fn main() { - let mut it = u8::max_value()..; + let mut it = u8::MAX..; assert_eq!(it.next().unwrap(), 255); - assert_eq!(it.next().unwrap(), u8::min_value()); + assert_eq!(it.next().unwrap(), u8::MIN); - let mut it = i8::max_value()..; + let mut it = i8::MAX..; assert_eq!(it.next().unwrap(), 127); - assert_eq!(it.next().unwrap(), i8::min_value()); + assert_eq!(it.next().unwrap(), i8::MIN); } diff --git a/src/test/ui/iterators/iter-sum-overflow-debug.rs b/src/test/ui/iterators/iter-sum-overflow-debug.rs index ee4ab4d24c6ab..b7667d1bbf6d9 100644 --- a/src/test/ui/iterators/iter-sum-overflow-debug.rs +++ b/src/test/ui/iterators/iter-sum-overflow-debug.rs @@ -6,22 +6,22 @@ use std::panic; fn main() { let r = panic::catch_unwind(|| { - [1, i32::max_value()].iter().sum::(); + [1, i32::MAX].iter().sum::(); }); assert!(r.is_err()); let r = panic::catch_unwind(|| { - [2, i32::max_value()].iter().product::(); + [2, i32::MAX].iter().product::(); }); assert!(r.is_err()); let r = panic::catch_unwind(|| { - [1, i32::max_value()].iter().cloned().sum::(); + [1, i32::MAX].iter().cloned().sum::(); }); assert!(r.is_err()); let r = panic::catch_unwind(|| { - [2, i32::max_value()].iter().cloned().product::(); + [2, i32::MAX].iter().cloned().product::(); }); assert!(r.is_err()); } diff --git a/src/test/ui/iterators/iter-sum-overflow-ndebug.rs b/src/test/ui/iterators/iter-sum-overflow-ndebug.rs index 61d63d41fb87e..69f4744cc2a1a 100644 --- a/src/test/ui/iterators/iter-sum-overflow-ndebug.rs +++ b/src/test/ui/iterators/iter-sum-overflow-ndebug.rs @@ -2,13 +2,13 @@ // compile-flags: -C debug_assertions=no fn main() { - assert_eq!([1i32, i32::max_value()].iter().sum::(), - 1i32.wrapping_add(i32::max_value())); - assert_eq!([2i32, i32::max_value()].iter().product::(), - 2i32.wrapping_mul(i32::max_value())); + assert_eq!([1i32, i32::MAX].iter().sum::(), + 1i32.wrapping_add(i32::MAX)); + assert_eq!([2i32, i32::MAX].iter().product::(), + 2i32.wrapping_mul(i32::MAX)); - assert_eq!([1i32, i32::max_value()].iter().cloned().sum::(), - 1i32.wrapping_add(i32::max_value())); - assert_eq!([2i32, i32::max_value()].iter().cloned().product::(), - 2i32.wrapping_mul(i32::max_value())); + assert_eq!([1i32, i32::MAX].iter().cloned().sum::(), + 1i32.wrapping_add(i32::MAX)); + assert_eq!([2i32, i32::MAX].iter().cloned().product::(), + 2i32.wrapping_mul(i32::MAX)); } diff --git a/src/test/ui/iterators/iter-sum-overflow-overflow-checks.rs b/src/test/ui/iterators/iter-sum-overflow-overflow-checks.rs index 429f8e0bc9648..04ca7f8a31534 100644 --- a/src/test/ui/iterators/iter-sum-overflow-overflow-checks.rs +++ b/src/test/ui/iterators/iter-sum-overflow-overflow-checks.rs @@ -6,22 +6,22 @@ use std::panic; fn main() { let r = panic::catch_unwind(|| { - [1, i32::max_value()].iter().sum::(); + [1, i32::MAX].iter().sum::(); }); assert!(r.is_err()); let r = panic::catch_unwind(|| { - [2, i32::max_value()].iter().product::(); + [2, i32::MAX].iter().product::(); }); assert!(r.is_err()); let r = panic::catch_unwind(|| { - [1, i32::max_value()].iter().cloned().sum::(); + [1, i32::MAX].iter().cloned().sum::(); }); assert!(r.is_err()); let r = panic::catch_unwind(|| { - [2, i32::max_value()].iter().cloned().product::(); + [2, i32::MAX].iter().cloned().product::(); }); assert!(r.is_err()); } diff --git a/src/test/ui/macros/macro-first-set.rs b/src/test/ui/macros/macro-first-set.rs index eb2504d4bfdb7..b5484b9ce9107 100644 --- a/src/test/ui/macros/macro-first-set.rs +++ b/src/test/ui/macros/macro-first-set.rs @@ -249,7 +249,7 @@ macro_rules! test_path { test_path!(); test_path!(,); test_path!(::std); -test_path!(std::u8,); +test_path!(u8,); test_path!(any, super, super::super::self::path, X::Z<'a, T=U>); macro_rules! test_lifetime { diff --git a/src/test/ui/moves/moves-based-on-type-move-out-of-closure-env-issue-1965.rs b/src/test/ui/moves/moves-based-on-type-move-out-of-closure-env-issue-1965.rs index 5fcd3392d33e3..52a5103865123 100644 --- a/src/test/ui/moves/moves-based-on-type-move-out-of-closure-env-issue-1965.rs +++ b/src/test/ui/moves/moves-based-on-type-move-out-of-closure-env-issue-1965.rs @@ -1,7 +1,5 @@ #![feature(box_syntax, unboxed_closures)] -use std::usize; - fn to_fn>(f: F) -> F { f } fn test(_x: Box) {} diff --git a/src/test/ui/numbers-arithmetic/float-int-invalid-const-cast.rs b/src/test/ui/numbers-arithmetic/float-int-invalid-const-cast.rs index ced3c61ec162a..7691149602bc6 100644 --- a/src/test/ui/numbers-arithmetic/float-int-invalid-const-cast.rs +++ b/src/test/ui/numbers-arithmetic/float-int-invalid-const-cast.rs @@ -2,8 +2,6 @@ #![deny(const_err)] -use std::{f32, f64}; - // Forces evaluation of constants, triggering hard error fn force(_: T) {} diff --git a/src/test/ui/numbers-arithmetic/float-nan.rs b/src/test/ui/numbers-arithmetic/float-nan.rs index ee87b8cccfe40..0cc6473e5c48c 100644 --- a/src/test/ui/numbers-arithmetic/float-nan.rs +++ b/src/test/ui/numbers-arithmetic/float-nan.rs @@ -1,5 +1,4 @@ // run-pass -use std::f64; pub fn main() { let nan: f64 = f64::NAN; diff --git a/src/test/ui/numbers-arithmetic/i128.rs b/src/test/ui/numbers-arithmetic/i128.rs index ef558c0aa0c02..d61a1ab03b6b3 100644 --- a/src/test/ui/numbers-arithmetic/i128.rs +++ b/src/test/ui/numbers-arithmetic/i128.rs @@ -87,7 +87,7 @@ fn main() { assert_eq!((-z).checked_mul(-z), Some(0x734C_C2F2_A521)); assert_eq!((z).checked_mul(z), Some(0x734C_C2F2_A521)); assert_eq!((k).checked_mul(k), None); - let l: i128 = b(i128::min_value()); + let l: i128 = b(i128::MIN); let o: i128 = b(17); assert_eq!(l.checked_sub(b(2)), None); assert_eq!(l.checked_add(l), None); diff --git a/src/test/ui/numbers-arithmetic/int-abs-overflow.rs b/src/test/ui/numbers-arithmetic/int-abs-overflow.rs index 2bc018445db9e..10ec3f0c6624e 100644 --- a/src/test/ui/numbers-arithmetic/int-abs-overflow.rs +++ b/src/test/ui/numbers-arithmetic/int-abs-overflow.rs @@ -5,9 +5,9 @@ use std::thread; fn main() { - assert!(thread::spawn(|| i8::min_value().abs()).join().is_err()); - assert!(thread::spawn(|| i16::min_value().abs()).join().is_err()); - assert!(thread::spawn(|| i32::min_value().abs()).join().is_err()); - assert!(thread::spawn(|| i64::min_value().abs()).join().is_err()); - assert!(thread::spawn(|| isize::min_value().abs()).join().is_err()); + assert!(thread::spawn(|| i8::MIN.abs()).join().is_err()); + assert!(thread::spawn(|| i16::MIN.abs()).join().is_err()); + assert!(thread::spawn(|| i32::MIN.abs()).join().is_err()); + assert!(thread::spawn(|| i64::MIN.abs()).join().is_err()); + assert!(thread::spawn(|| isize::MIN.abs()).join().is_err()); } diff --git a/src/test/ui/numbers-arithmetic/next-power-of-two-overflow-debug.rs b/src/test/ui/numbers-arithmetic/next-power-of-two-overflow-debug.rs index e9927304f23f8..101c5d50b20b9 100644 --- a/src/test/ui/numbers-arithmetic/next-power-of-two-overflow-debug.rs +++ b/src/test/ui/numbers-arithmetic/next-power-of-two-overflow-debug.rs @@ -9,12 +9,12 @@ fn main() { macro_rules! overflow_test { ($t:ident) => ( let r = panic::catch_unwind(|| { - ($t::max_value()).next_power_of_two() + ($t::MAX).next_power_of_two() }); assert!(r.is_err()); let r = panic::catch_unwind(|| { - (($t::max_value() >> 1) + 2).next_power_of_two() + (($t::MAX >> 1) + 2).next_power_of_two() }); assert!(r.is_err()); ) diff --git a/src/test/ui/numbers-arithmetic/num-wrapping.rs b/src/test/ui/numbers-arithmetic/num-wrapping.rs index 9a01549ecd24e..860c830fb5d0d 100644 --- a/src/test/ui/numbers-arithmetic/num-wrapping.rs +++ b/src/test/ui/numbers-arithmetic/num-wrapping.rs @@ -21,7 +21,6 @@ macro_rules! int_modules { ($(($name:ident, $size:expr),)*) => ($( mod $name { pub const BITS: usize = $size; - pub use std::$name::*; } )*) } diff --git a/src/test/ui/numbers-arithmetic/promoted_overflow_opt.rs b/src/test/ui/numbers-arithmetic/promoted_overflow_opt.rs index a3b8ff58a7359..4785abbc55470 100644 --- a/src/test/ui/numbers-arithmetic/promoted_overflow_opt.rs +++ b/src/test/ui/numbers-arithmetic/promoted_overflow_opt.rs @@ -5,5 +5,5 @@ fn main() { let x = &(0u32 - 1); - assert_eq!(*x, u32::max_value()) + assert_eq!(*x, u32::MAX) } diff --git a/src/test/ui/numbers-arithmetic/saturating-float-casts.rs b/src/test/ui/numbers-arithmetic/saturating-float-casts.rs index f13964fb38665..76c75ffb029dd 100644 --- a/src/test/ui/numbers-arithmetic/saturating-float-casts.rs +++ b/src/test/ui/numbers-arithmetic/saturating-float-casts.rs @@ -6,10 +6,6 @@ #![deny(overflowing_literals)] extern crate test; -use std::{f32, f64}; -use std::{u8, i8, u16, i16, u32, i32, u64, i64}; -#[cfg(not(target_os="emscripten"))] -use std::{u128, i128}; use test::black_box; macro_rules! test { diff --git a/src/test/ui/numbers-arithmetic/shift-near-oflo.rs b/src/test/ui/numbers-arithmetic/shift-near-oflo.rs index 939eb9746121f..55006a1134297 100644 --- a/src/test/ui/numbers-arithmetic/shift-near-oflo.rs +++ b/src/test/ui/numbers-arithmetic/shift-near-oflo.rs @@ -47,21 +47,21 @@ fn test_left_shift() { let x = 1_u8 << id(0); assert_eq!(x, 1); let x = 1_i8 << id(7); - assert_eq!(x, std::i8::MIN); + assert_eq!(x, i8::MIN); let x = 1_u8 << id(7); assert_eq!(x, 0x80); // high-order bits on LHS are silently discarded without panic. let x = 3_i8 << id(7); - assert_eq!(x, std::i8::MIN); + assert_eq!(x, i8::MIN); let x = 3_u8 << id(7); assert_eq!(x, 0x80); // above is (approximately) expanded from: - tests!(i8, u8, 7, std::i8::MIN, 0x80_u8); + tests!(i8, u8, 7, i8::MIN, 0x80_u8); - tests!(i16, u16, 15, std::i16::MIN, 0x8000_u16); - tests!(i32, u32, 31, std::i32::MIN, 0x8000_0000_u32); - tests!(i64, u64, 63, std::i64::MIN, 0x8000_0000_0000_0000_u64); + tests!(i16, u16, 15, i16::MIN, 0x8000_u16); + tests!(i32, u32, 31, i32::MIN, 0x8000_0000_u32); + tests!(i64, u64, 63, i64::MIN, 0x8000_0000_0000_0000_u64); } fn test_right_shift() { @@ -92,9 +92,9 @@ fn test_right_shift() { } } } - tests!(i8, u8, 7, std::i8::MIN, 0x40_i8, 0x80_u8); - tests!(i16, u16, 15, std::i16::MIN, 0x4000_u16, 0x8000_u16); - tests!(i32, u32, 31, std::i32::MIN, 0x4000_0000_u32, 0x8000_0000_u32); - tests!(i64, u64, 63, std::i64::MIN, + tests!(i8, u8, 7, i8::MIN, 0x40_i8, 0x80_u8); + tests!(i16, u16, 15, i16::MIN, 0x4000_u16, 0x8000_u16); + tests!(i32, u32, 31, i32::MIN, 0x4000_0000_u32, 0x8000_0000_u32); + tests!(i64, u64, 63, i64::MIN, 0x4000_0000_0000_0000_u64, 0x8000_0000_0000_0000_u64); } diff --git a/src/test/ui/numbers-arithmetic/u128-as-f32.rs b/src/test/ui/numbers-arithmetic/u128-as-f32.rs index 2671a267f4a87..839ce932d9e76 100644 --- a/src/test/ui/numbers-arithmetic/u128-as-f32.rs +++ b/src/test/ui/numbers-arithmetic/u128-as-f32.rs @@ -4,8 +4,6 @@ #![deny(overflowing_literals)] extern crate test; -use std::f32; -use std::u128; use test::black_box; macro_rules! test { diff --git a/src/test/ui/numbers-arithmetic/u128.rs b/src/test/ui/numbers-arithmetic/u128.rs index 0b2305c6e8b1a..d7e28055b2154 100644 --- a/src/test/ui/numbers-arithmetic/u128.rs +++ b/src/test/ui/numbers-arithmetic/u128.rs @@ -53,14 +53,14 @@ fn main() { assert_eq!("10000000000000000000000000000000000000000000000000000000000000000000", format!("{:b}", j)); assert_eq!("340282366920938463463374607431768211455", - format!("{}", u128::max_value())); + format!("{}", u128::MAX)); assert_eq!("147573952589676412928", format!("{:?}", j)); // common traits assert_eq!(x, b(x.clone())); // overflow checks assert_eq!((z).checked_mul(z), Some(0x734C_C2F2_A521)); assert_eq!((k).checked_mul(k), None); - let l: u128 = b(u128::max_value() - 10); + let l: u128 = b(u128::MAX - 10); let o: u128 = b(17); assert_eq!(l.checked_add(b(11)), None); assert_eq!(l.checked_sub(l), Some(0)); diff --git a/src/test/ui/or-patterns/exhaustiveness-non-exhaustive.rs b/src/test/ui/or-patterns/exhaustiveness-non-exhaustive.rs index d7c191bb5a28d..29bb6c9af00b7 100644 --- a/src/test/ui/or-patterns/exhaustiveness-non-exhaustive.rs +++ b/src/test/ui/or-patterns/exhaustiveness-non-exhaustive.rs @@ -12,15 +12,15 @@ fn main() { } match (0u8, 0u8) { - //~^ ERROR non-exhaustive patterns: `(2u8..=std::u8::MAX, _)` + //~^ ERROR non-exhaustive patterns: `(2u8..=u8::MAX, _)` (0 | 1, 2 | 3) => {} } match ((0u8,),) { - //~^ ERROR non-exhaustive patterns: `((4u8..=std::u8::MAX))` + //~^ ERROR non-exhaustive patterns: `((4u8..=u8::MAX))` ((0 | 1,) | (2 | 3,),) => {}, } match (Some(0u8),) { - //~^ ERROR non-exhaustive patterns: `(Some(2u8..=std::u8::MAX))` + //~^ ERROR non-exhaustive patterns: `(Some(2u8..=u8::MAX))` (None | Some(0 | 1),) => {} } } diff --git a/src/test/ui/or-patterns/exhaustiveness-non-exhaustive.stderr b/src/test/ui/or-patterns/exhaustiveness-non-exhaustive.stderr index e6aa157d278c8..8a4205a0c7cbd 100644 --- a/src/test/ui/or-patterns/exhaustiveness-non-exhaustive.stderr +++ b/src/test/ui/or-patterns/exhaustiveness-non-exhaustive.stderr @@ -1,24 +1,24 @@ -error[E0004]: non-exhaustive patterns: `(2u8..=std::u8::MAX, _)` not covered +error[E0004]: non-exhaustive patterns: `(2u8..=u8::MAX, _)` not covered --> $DIR/exhaustiveness-non-exhaustive.rs:14:11 | LL | match (0u8, 0u8) { - | ^^^^^^^^^^ pattern `(2u8..=std::u8::MAX, _)` not covered + | ^^^^^^^^^^ pattern `(2u8..=u8::MAX, _)` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms -error[E0004]: non-exhaustive patterns: `((4u8..=std::u8::MAX))` not covered +error[E0004]: non-exhaustive patterns: `((4u8..=u8::MAX))` not covered --> $DIR/exhaustiveness-non-exhaustive.rs:18:11 | LL | match ((0u8,),) { - | ^^^^^^^^^ pattern `((4u8..=std::u8::MAX))` not covered + | ^^^^^^^^^ pattern `((4u8..=u8::MAX))` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms -error[E0004]: non-exhaustive patterns: `(Some(2u8..=std::u8::MAX))` not covered +error[E0004]: non-exhaustive patterns: `(Some(2u8..=u8::MAX))` not covered --> $DIR/exhaustiveness-non-exhaustive.rs:22:11 | LL | match (Some(0u8),) { - | ^^^^^^^^^^^^ pattern `(Some(2u8..=std::u8::MAX))` not covered + | ^^^^^^^^^^^^ pattern `(Some(2u8..=u8::MAX))` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms diff --git a/src/test/ui/pattern/usefulness/exhaustive_integer_patterns.rs b/src/test/ui/pattern/usefulness/exhaustive_integer_patterns.rs index d379dc44bf10b..76de68489d6df 100644 --- a/src/test/ui/pattern/usefulness/exhaustive_integer_patterns.rs +++ b/src/test/ui/pattern/usefulness/exhaustive_integer_patterns.rs @@ -3,7 +3,7 @@ #![deny(unreachable_patterns)] #![deny(overlapping_patterns)] -use std::{char, u8, u16, u32, u64, u128, i8, i16, i32, i64, i128}; +use std::char; fn main() { let x: u8 = 0; diff --git a/src/test/ui/pattern/usefulness/exhaustive_integer_patterns.stderr b/src/test/ui/pattern/usefulness/exhaustive_integer_patterns.stderr index 0fbeb981ea015..878aa5977eb27 100644 --- a/src/test/ui/pattern/usefulness/exhaustive_integer_patterns.stderr +++ b/src/test/ui/pattern/usefulness/exhaustive_integer_patterns.stderr @@ -10,11 +10,11 @@ note: lint level defined here LL | #![deny(unreachable_patterns)] | ^^^^^^^^^^^^^^^^^^^^ -error[E0004]: non-exhaustive patterns: `128u8..=std::u8::MAX` not covered +error[E0004]: non-exhaustive patterns: `128u8..=u8::MAX` not covered --> $DIR/exhaustive_integer_patterns.rs:28:11 | LL | match x { - | ^ pattern `128u8..=std::u8::MAX` not covered + | ^ pattern `128u8..=u8::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms @@ -32,19 +32,19 @@ error: unreachable pattern LL | -2..=20 => {} | ^^^^^^^ -error[E0004]: non-exhaustive patterns: `std::i8::MIN..=-8i8`, `-6i8`, `121i8..=124i8` and 1 more not covered +error[E0004]: non-exhaustive patterns: `i8::MIN..=-8i8`, `-6i8`, `121i8..=124i8` and 1 more not covered --> $DIR/exhaustive_integer_patterns.rs:41:11 | LL | match x { - | ^ patterns `std::i8::MIN..=-8i8`, `-6i8`, `121i8..=124i8` and 1 more not covered + | ^ patterns `i8::MIN..=-8i8`, `-6i8`, `121i8..=124i8` and 1 more not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms -error[E0004]: non-exhaustive patterns: `std::i8::MIN` not covered +error[E0004]: non-exhaustive patterns: `i8::MIN` not covered --> $DIR/exhaustive_integer_patterns.rs:83:11 | LL | match 0i8 { - | ^^^ pattern `std::i8::MIN` not covered + | ^^^ pattern `i8::MIN` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms @@ -56,19 +56,19 @@ LL | match 0i16 { | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms -error[E0004]: non-exhaustive patterns: `128u8..=std::u8::MAX` not covered +error[E0004]: non-exhaustive patterns: `128u8..=u8::MAX` not covered --> $DIR/exhaustive_integer_patterns.rs:109:11 | LL | match 0u8 { - | ^^^ pattern `128u8..=std::u8::MAX` not covered + | ^^^ pattern `128u8..=u8::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms -error[E0004]: non-exhaustive patterns: `(0u8, Some(_))` and `(2u8..=std::u8::MAX, Some(_))` not covered +error[E0004]: non-exhaustive patterns: `(0u8, Some(_))` and `(2u8..=u8::MAX, Some(_))` not covered --> $DIR/exhaustive_integer_patterns.rs:121:11 | LL | match (0u8, Some(())) { - | ^^^^^^^^^^^^^^^ patterns `(0u8, Some(_))` and `(2u8..=std::u8::MAX, Some(_))` not covered + | ^^^^^^^^^^^^^^^ patterns `(0u8, Some(_))` and `(2u8..=u8::MAX, Some(_))` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms @@ -94,19 +94,19 @@ note: lint level defined here LL | #![deny(overlapping_patterns)] | ^^^^^^^^^^^^^^^^^^^^ -error[E0004]: non-exhaustive patterns: `std::u128::MAX` not covered +error[E0004]: non-exhaustive patterns: `u128::MAX` not covered --> $DIR/exhaustive_integer_patterns.rs:146:11 | LL | match 0u128 { - | ^^^^^ pattern `std::u128::MAX` not covered + | ^^^^^ pattern `u128::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms -error[E0004]: non-exhaustive patterns: `5u128..=std::u128::MAX` not covered +error[E0004]: non-exhaustive patterns: `5u128..=u128::MAX` not covered --> $DIR/exhaustive_integer_patterns.rs:150:11 | LL | match 0u128 { - | ^^^^^ pattern `5u128..=std::u128::MAX` not covered + | ^^^^^ pattern `5u128..=u128::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms diff --git a/src/test/ui/pattern/usefulness/match-byte-array-patterns-2.stderr b/src/test/ui/pattern/usefulness/match-byte-array-patterns-2.stderr index 539aa854f9e6b..7d24c8a39ff6d 100644 --- a/src/test/ui/pattern/usefulness/match-byte-array-patterns-2.stderr +++ b/src/test/ui/pattern/usefulness/match-byte-array-patterns-2.stderr @@ -1,8 +1,8 @@ -error[E0004]: non-exhaustive patterns: `&[0u8..=64u8, _, _, _]` and `&[66u8..=std::u8::MAX, _, _, _]` not covered +error[E0004]: non-exhaustive patterns: `&[0u8..=64u8, _, _, _]` and `&[66u8..=u8::MAX, _, _, _]` not covered --> $DIR/match-byte-array-patterns-2.rs:4:11 | LL | match buf { - | ^^^ patterns `&[0u8..=64u8, _, _, _]` and `&[66u8..=std::u8::MAX, _, _, _]` not covered + | ^^^ patterns `&[0u8..=64u8, _, _, _]` and `&[66u8..=u8::MAX, _, _, _]` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms diff --git a/src/test/ui/pattern/usefulness/match-non-exhaustive.stderr b/src/test/ui/pattern/usefulness/match-non-exhaustive.stderr index 211f333882b10..c52a2e532b2b7 100644 --- a/src/test/ui/pattern/usefulness/match-non-exhaustive.stderr +++ b/src/test/ui/pattern/usefulness/match-non-exhaustive.stderr @@ -1,8 +1,8 @@ -error[E0004]: non-exhaustive patterns: `std::i32::MIN..=0i32` and `2i32..=std::i32::MAX` not covered +error[E0004]: non-exhaustive patterns: `i32::MIN..=0i32` and `2i32..=i32::MAX` not covered --> $DIR/match-non-exhaustive.rs:2:11 | LL | match 0 { 1 => () } - | ^ patterns `std::i32::MIN..=0i32` and `2i32..=std::i32::MAX` not covered + | ^ patterns `i32::MIN..=0i32` and `2i32..=i32::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms diff --git a/src/test/ui/pattern/usefulness/non-exhaustive-match.rs b/src/test/ui/pattern/usefulness/non-exhaustive-match.rs index bfca5352353a7..695c14227de5d 100644 --- a/src/test/ui/pattern/usefulness/non-exhaustive-match.rs +++ b/src/test/ui/pattern/usefulness/non-exhaustive-match.rs @@ -12,8 +12,8 @@ fn main() { match Some(10) { //~ ERROR non-exhaustive patterns: `Some(_)` not covered None => {} } - match (2, 3, 4) { //~ ERROR non-exhaustive patterns: `(_, _, std::i32::MIN..=3i32)` - // and `(_, _, 5i32..=std::i32::MAX)` not covered + match (2, 3, 4) { //~ ERROR non-exhaustive patterns: `(_, _, i32::MIN..=3i32)` + // and `(_, _, 5i32..=i32::MAX)` not covered (_, _, 4) => {} } match (T::A, T::A) { //~ ERROR non-exhaustive patterns: `(A, A)` not covered diff --git a/src/test/ui/pattern/usefulness/non-exhaustive-match.stderr b/src/test/ui/pattern/usefulness/non-exhaustive-match.stderr index 577867e4e7122..ddf01b235ad67 100644 --- a/src/test/ui/pattern/usefulness/non-exhaustive-match.stderr +++ b/src/test/ui/pattern/usefulness/non-exhaustive-match.stderr @@ -28,11 +28,11 @@ LL | match Some(10) { | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms -error[E0004]: non-exhaustive patterns: `(_, _, std::i32::MIN..=3i32)` and `(_, _, 5i32..=std::i32::MAX)` not covered +error[E0004]: non-exhaustive patterns: `(_, _, i32::MIN..=3i32)` and `(_, _, 5i32..=i32::MAX)` not covered --> $DIR/non-exhaustive-match.rs:15:11 | LL | match (2, 3, 4) { - | ^^^^^^^^^ patterns `(_, _, std::i32::MIN..=3i32)` and `(_, _, 5i32..=std::i32::MAX)` not covered + | ^^^^^^^^^ patterns `(_, _, i32::MIN..=3i32)` and `(_, _, 5i32..=i32::MAX)` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms diff --git a/src/test/ui/pattern/usefulness/refutable-pattern-errors.rs b/src/test/ui/pattern/usefulness/refutable-pattern-errors.rs index d4afe17ca748c..3ef2ead32cb7c 100644 --- a/src/test/ui/pattern/usefulness/refutable-pattern-errors.rs +++ b/src/test/ui/pattern/usefulness/refutable-pattern-errors.rs @@ -5,5 +5,5 @@ fn func((1, (Some(1), 2..=3)): (isize, (Option, isize))) { } fn main() { let (1, (Some(1), 2..=3)) = (1, (None, 2)); - //~^ ERROR refutable pattern in local binding: `(std::i32::MIN..=0i32, _)` and `(2i32..=std::i32::MAX, _)` not covered + //~^ ERROR refutable pattern in local binding: `(i32::MIN..=0i32, _)` and `(2i32..=i32::MAX, _)` not covered } diff --git a/src/test/ui/pattern/usefulness/refutable-pattern-errors.stderr b/src/test/ui/pattern/usefulness/refutable-pattern-errors.stderr index 0cf5d9cd5f12a..0ba01a0b002d5 100644 --- a/src/test/ui/pattern/usefulness/refutable-pattern-errors.stderr +++ b/src/test/ui/pattern/usefulness/refutable-pattern-errors.stderr @@ -4,11 +4,11 @@ error[E0005]: refutable pattern in function argument: `(_, _)` not covered LL | fn func((1, (Some(1), 2..=3)): (isize, (Option, isize))) { } | ^^^^^^^^^^^^^^^^^^^^^ pattern `(_, _)` not covered -error[E0005]: refutable pattern in local binding: `(std::i32::MIN..=0i32, _)` and `(2i32..=std::i32::MAX, _)` not covered +error[E0005]: refutable pattern in local binding: `(i32::MIN..=0i32, _)` and `(2i32..=i32::MAX, _)` not covered --> $DIR/refutable-pattern-errors.rs:7:9 | LL | let (1, (Some(1), 2..=3)) = (1, (None, 2)); - | ^^^^^^^^^^^^^^^^^^^^^ patterns `(std::i32::MIN..=0i32, _)` and `(2i32..=std::i32::MAX, _)` not covered + | ^^^^^^^^^^^^^^^^^^^^^ patterns `(i32::MIN..=0i32, _)` and `(2i32..=i32::MAX, _)` not covered | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html diff --git a/src/test/ui/precise_pointer_size_matching.rs b/src/test/ui/precise_pointer_size_matching.rs index 54aeb8616d959..4b40eb5bcfe68 100644 --- a/src/test/ui/precise_pointer_size_matching.rs +++ b/src/test/ui/precise_pointer_size_matching.rs @@ -10,8 +10,6 @@ #![deny(unreachable_patterns, overlapping_patterns)] -use std::{usize, isize}; - fn main() { match 0isize { isize::MIN ..= isize::MAX => {} // ok diff --git a/src/test/ui/precise_pointer_size_matching.stderr b/src/test/ui/precise_pointer_size_matching.stderr index 2c2c2aa04c233..402c30dfca1f8 100644 --- a/src/test/ui/precise_pointer_size_matching.stderr +++ b/src/test/ui/precise_pointer_size_matching.stderr @@ -1,16 +1,16 @@ -error[E0004]: non-exhaustive patterns: `std::isize::MIN..=-6isize` and `21isize..=std::isize::MAX` not covered +error[E0004]: non-exhaustive patterns: `isize::MIN..=-6isize` and `21isize..=isize::MAX` not covered --> $DIR/precise_pointer_size_matching.rs:24:11 | LL | match 0isize { - | ^^^^^^ patterns `std::isize::MIN..=-6isize` and `21isize..=std::isize::MAX` not covered + | ^^^^^^ patterns `isize::MIN..=-6isize` and `21isize..=isize::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms -error[E0004]: non-exhaustive patterns: `0usize` and `21usize..=std::usize::MAX` not covered +error[E0004]: non-exhaustive patterns: `0usize` and `21usize..=usize::MAX` not covered --> $DIR/precise_pointer_size_matching.rs:29:11 | LL | match 0usize { - | ^^^^^^ patterns `0usize` and `21usize..=std::usize::MAX` not covered + | ^^^^^^ patterns `0usize` and `21usize..=usize::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms diff --git a/src/test/ui/regions/regions-addr-of-upvar-self.rs b/src/test/ui/regions/regions-addr-of-upvar-self.rs index 1f8fe9a4439b9..6159ab02d3d95 100644 --- a/src/test/ui/regions/regions-addr-of-upvar-self.rs +++ b/src/test/ui/regions/regions-addr-of-upvar-self.rs @@ -1,5 +1,3 @@ -use std::usize; - struct Dog { food: usize, } diff --git a/src/test/ui/rfc-2627-raw-dylib/link-ordinal-too-large.stderr b/src/test/ui/rfc-2627-raw-dylib/link-ordinal-too-large.stderr index b3b22f9776df7..b9b877aa0566c 100644 --- a/src/test/ui/rfc-2627-raw-dylib/link-ordinal-too-large.stderr +++ b/src/test/ui/rfc-2627-raw-dylib/link-ordinal-too-large.stderr @@ -12,7 +12,7 @@ error: ordinal value in `link_ordinal` is too large: `18446744073709551616` LL | #[link_ordinal(18446744073709551616)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: the value may not exceed `std::usize::MAX` + = note: the value may not exceed `usize::MAX` error: aborting due to previous error diff --git a/src/test/ui/rfc1445/match-forbidden-without-eq.rs b/src/test/ui/rfc1445/match-forbidden-without-eq.rs index 1cca27520618d..fa5630837b9ad 100644 --- a/src/test/ui/rfc1445/match-forbidden-without-eq.rs +++ b/src/test/ui/rfc1445/match-forbidden-without-eq.rs @@ -1,5 +1,3 @@ -use std::f32; - #[derive(PartialEq)] struct Foo { x: u32 diff --git a/src/test/ui/simd/simd-intrinsic-float-minmax.rs b/src/test/ui/simd/simd-intrinsic-float-minmax.rs index 5f0aa11af5fb8..d79be61f90995 100644 --- a/src/test/ui/simd/simd-intrinsic-float-minmax.rs +++ b/src/test/ui/simd/simd-intrinsic-float-minmax.rs @@ -20,11 +20,11 @@ fn main() { let y = f32x4(2.0, 1.0, 4.0, 3.0); #[cfg(not(any(target_arch = "mips", target_arch = "mips64")))] - let nan = ::std::f32::NAN; + let nan = f32::NAN; // MIPS hardware treats f32::NAN as SNAN. Clear the signaling bit. // See https://github.com/rust-lang/rust/issues/52746. #[cfg(any(target_arch = "mips", target_arch = "mips64"))] - let nan = f32::from_bits(::std::f32::NAN.to_bits() - 1); + let nan = f32::from_bits(f32::NAN.to_bits() - 1); let n = f32x4(nan, nan, nan, nan); diff --git a/src/test/ui/simd/simd-intrinsic-generic-arithmetic-saturating.rs b/src/test/ui/simd/simd-intrinsic-generic-arithmetic-saturating.rs index b2ddcf023ebcb..844d592bd8733 100644 --- a/src/test/ui/simd/simd-intrinsic-generic-arithmetic-saturating.rs +++ b/src/test/ui/simd/simd-intrinsic-generic-arithmetic-saturating.rs @@ -21,7 +21,7 @@ extern "platform-intrinsic" { fn main() { // unsigned { - const M: u32 = u32::max_value(); + const M: u32 = u32::MAX; let a = u32x4(1, 2, 3, 4); let b = u32x4(2, 4, 6, 8); @@ -49,8 +49,8 @@ fn main() { // signed { - const MIN: i32 = i32::min_value(); - const MAX: i32 = i32::max_value(); + const MIN: i32 = i32::MIN; + const MAX: i32 = i32::MAX; let a = i32x4(1, 2, 3, 4); let b = i32x4(2, 4, 6, 8); diff --git a/src/test/ui/simd/simd-intrinsic-generic-bitmask.rs b/src/test/ui/simd/simd-intrinsic-generic-bitmask.rs index b28f742a92e94..a323bd9e82b4a 100644 --- a/src/test/ui/simd/simd-intrinsic-generic-bitmask.rs +++ b/src/test/ui/simd/simd-intrinsic-generic-bitmask.rs @@ -39,7 +39,7 @@ fn main() { let e = 0b_1101; // Check usize / isize - let msize: Tx4 = Tx4(usize::max_value(), 0, usize::max_value(), usize::max_value()); + let msize: Tx4 = Tx4(usize::MAX, 0, usize::MAX, usize::MAX); unsafe { let r: u8 = simd_bitmask(z); diff --git a/src/test/ui/simd/simd-intrinsic-generic-comparison.rs b/src/test/ui/simd/simd-intrinsic-generic-comparison.rs index 2b593e1c9b804..103132c18ae2f 100644 --- a/src/test/ui/simd/simd-intrinsic-generic-comparison.rs +++ b/src/test/ui/simd/simd-intrinsic-generic-comparison.rs @@ -4,8 +4,6 @@ #![feature(repr_simd, platform_intrinsics, concat_idents)] #![allow(non_camel_case_types)] -use std::f32::NAN; - #[repr(simd)] #[derive(Copy, Clone)] struct i32x4(i32, i32, i32, i32); @@ -94,7 +92,7 @@ fn main() { // NAN comparisons are special: // -11 (*) 13 // -5 -100 (*) - let f4 = f32x4(NAN, f1.1, NAN, f2.3); + let f4 = f32x4(f32::NAN, f1.1, f32::NAN, f2.3); unsafe { tests! { diff --git a/src/test/ui/simd/simd-intrinsic-generic-reduction.rs b/src/test/ui/simd/simd-intrinsic-generic-reduction.rs index 4195444a73f67..8b5afeac0bc2d 100644 --- a/src/test/ui/simd/simd-intrinsic-generic-reduction.rs +++ b/src/test/ui/simd/simd-intrinsic-generic-reduction.rs @@ -100,7 +100,7 @@ fn main() { let r: u32 = simd_reduce_max(x); assert_eq!(r, 4_u32); - let t = u32::max_value(); + let t = u32::MAX; let x = u32x4(t, t, t, t); let r: u32 = simd_reduce_and(x); assert_eq!(r, t); diff --git a/src/test/ui/sleep.rs b/src/test/ui/sleep.rs index 757578b84750c..3713d301ed8a2 100644 --- a/src/test/ui/sleep.rs +++ b/src/test/ui/sleep.rs @@ -5,7 +5,6 @@ use std::thread::{self, sleep}; use std::time::Duration; use std::sync::{Arc, Mutex}; -use std::u64; fn main() { let finished = Arc::new(Mutex::new(false)); diff --git a/src/test/ui/structs-enums/discrim-explicit-23030.rs b/src/test/ui/structs-enums/discrim-explicit-23030.rs index 211ca7e4e8feb..af7ab865e3222 100644 --- a/src/test/ui/structs-enums/discrim-explicit-23030.rs +++ b/src/test/ui/structs-enums/discrim-explicit-23030.rs @@ -5,8 +5,6 @@ // See also compile-fail/overflow-discrim.rs, which shows what // happens if you leave the OhNo explicit cases out here. -use std::{i8,u8,i16,u16,i32,u32,i64,u64,isize,usize}; - fn f_i8() { #[repr(i8)] enum A { diff --git a/src/test/ui/suggestions/const-pat-non-exaustive-let-new-var.rs b/src/test/ui/suggestions/const-pat-non-exaustive-let-new-var.rs index 2a11871db8e67..21fb8d4a2e68d 100644 --- a/src/test/ui/suggestions/const-pat-non-exaustive-let-new-var.rs +++ b/src/test/ui/suggestions/const-pat-non-exaustive-let-new-var.rs @@ -1,6 +1,6 @@ fn main() { let A = 3; - //~^ ERROR refutable pattern in local binding: `std::i32::MIN..=1i32` and + //~^ ERROR refutable pattern in local binding: `i32::MIN..=1i32` and //~| interpreted as a constant pattern, not a new variable //~| HELP introduce a variable instead //~| SUGGESTION a_var diff --git a/src/test/ui/suggestions/const-pat-non-exaustive-let-new-var.stderr b/src/test/ui/suggestions/const-pat-non-exaustive-let-new-var.stderr index fc17199bf91d4..5aa01c6c41428 100644 --- a/src/test/ui/suggestions/const-pat-non-exaustive-let-new-var.stderr +++ b/src/test/ui/suggestions/const-pat-non-exaustive-let-new-var.stderr @@ -1,4 +1,4 @@ -error[E0005]: refutable pattern in local binding: `std::i32::MIN..=1i32` and `3i32..=std::i32::MAX` not covered +error[E0005]: refutable pattern in local binding: `i32::MIN..=1i32` and `3i32..=i32::MAX` not covered --> $DIR/const-pat-non-exaustive-let-new-var.rs:2:9 | LL | let A = 3; diff --git a/src/test/ui/union/union-transmute.rs b/src/test/ui/union/union-transmute.rs index ac7dede98a3a3..2f739953895a1 100644 --- a/src/test/ui/union/union-transmute.rs +++ b/src/test/ui/union/union-transmute.rs @@ -1,7 +1,6 @@ // run-pass extern crate core; -use core::f32; union U { a: (u8, u8), diff --git a/src/test/ui/wrapping-int-api.rs b/src/test/ui/wrapping-int-api.rs index ecdd742fb4e08..6e2fc7f80b9c4 100644 --- a/src/test/ui/wrapping-int-api.rs +++ b/src/test/ui/wrapping-int-api.rs @@ -4,9 +4,6 @@ // Don't warn about overflowing ops on 32-bit platforms #![cfg_attr(target_pointer_width = "32", allow(const_err))] -use std::{i8, i16, i32, i64, isize}; -use std::{u8, u16, u32, u64, usize}; - fn main() { assert_eq!( i8::MAX.wrapping_add(1), i8::MIN); assert_eq!( i16::MAX.wrapping_add(1), i16::MIN); diff --git a/src/test/ui/wrapping-int-combinations.rs b/src/test/ui/wrapping-int-combinations.rs index f0bc479ee0ff2..a9f4000009b7c 100644 --- a/src/test/ui/wrapping-int-combinations.rs +++ b/src/test/ui/wrapping-int-combinations.rs @@ -60,18 +60,18 @@ macro_rules! wrapping_test { } fn main() { - wrapping_test!(i8, std::i8::MIN, std::i8::MAX); - wrapping_test!(i16, std::i16::MIN, std::i16::MAX); - wrapping_test!(i32, std::i32::MIN, std::i32::MAX); - wrapping_test!(i64, std::i64::MIN, std::i64::MAX); + wrapping_test!(i8, i8::MIN, i8::MAX); + wrapping_test!(i16, i16::MIN, i16::MAX); + wrapping_test!(i32, i32::MIN, i32::MAX); + wrapping_test!(i64, i64::MIN, i64::MAX); #[cfg(not(target_os = "emscripten"))] - wrapping_test!(i128, std::i128::MIN, std::i128::MAX); - wrapping_test!(isize, std::isize::MIN, std::isize::MAX); - wrapping_test!(u8, std::u8::MIN, std::u8::MAX); - wrapping_test!(u16, std::u16::MIN, std::u16::MAX); - wrapping_test!(u32, std::u32::MIN, std::u32::MAX); - wrapping_test!(u64, std::u64::MIN, std::u64::MAX); + wrapping_test!(i128, i128::MIN, i128::MAX); + wrapping_test!(isize, isize::MIN, isize::MAX); + wrapping_test!(u8, u8::MIN, u8::MAX); + wrapping_test!(u16, u16::MIN, u16::MAX); + wrapping_test!(u32, u32::MIN, u32::MAX); + wrapping_test!(u64, u64::MIN, u64::MAX); #[cfg(not(target_os = "emscripten"))] - wrapping_test!(u128, std::u128::MIN, std::u128::MAX); - wrapping_test!(usize, std::usize::MIN, std::usize::MAX); + wrapping_test!(u128, u128::MIN, u128::MAX); + wrapping_test!(usize, usize::MIN, usize::MAX); }