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Add #[inline] to trivial functions on core::sync::Exclusive #102167

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merged 1 commit into from
Sep 24, 2022
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Add #[inline] to trivial functions on core::sync::Exclusive #102167

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9 changes: 8 additions & 1 deletion library/core/src/sync/exclusive.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -100,13 +100,15 @@ impl<T: Sized> Exclusive<T> {
/// Wrap a value in an `Exclusive`
#[unstable(feature = "exclusive_wrapper", issue = "98407")]
#[must_use]
#[inline]
pub const fn new(t: T) -> Self {
Self { inner: t }
}

/// Unwrap the value contained in the `Exclusive`
#[unstable(feature = "exclusive_wrapper", issue = "98407")]
#[must_use]
#[inline]
pub const fn into_inner(self) -> T {
self.inner
}
Expand All @@ -116,6 +118,7 @@ impl<T: ?Sized> Exclusive<T> {
/// Get exclusive access to the underlying value.
#[unstable(feature = "exclusive_wrapper", issue = "98407")]
#[must_use]
#[inline]
pub const fn get_mut(&mut self) -> &mut T {
&mut self.inner
}
Expand All @@ -128,6 +131,7 @@ impl<T: ?Sized> Exclusive<T> {
/// produce _pinned_ access to the underlying value.
#[unstable(feature = "exclusive_wrapper", issue = "98407")]
#[must_use]
#[inline]
pub const fn get_pin_mut(self: Pin<&mut Self>) -> Pin<&mut T> {
// SAFETY: `Exclusive` can only produce `&mut T` if itself is unpinned
// `Pin::map_unchecked_mut` is not const, so we do this conversion manually
Expand All @@ -139,6 +143,7 @@ impl<T: ?Sized> Exclusive<T> {
/// building an `Exclusive` with [`Exclusive::new`].
#[unstable(feature = "exclusive_wrapper", issue = "98407")]
#[must_use]
#[inline]
pub const fn from_mut(r: &'_ mut T) -> &'_ mut Exclusive<T> {
// SAFETY: repr is ≥ C, so refs have the same layout; and `Exclusive` properties are `&mut`-agnostic
unsafe { &mut *(r as *mut T as *mut Exclusive<T>) }
Expand All @@ -149,6 +154,7 @@ impl<T: ?Sized> Exclusive<T> {
/// building an `Exclusive` with [`Exclusive::new`].
#[unstable(feature = "exclusive_wrapper", issue = "98407")]
#[must_use]
#[inline]
pub const fn from_pin_mut(r: Pin<&'_ mut T>) -> Pin<&'_ mut Exclusive<T>> {
// SAFETY: `Exclusive` can only produce `&mut T` if itself is unpinned
// `Pin::map_unchecked_mut` is not const, so we do this conversion manually
Expand All @@ -158,6 +164,7 @@ impl<T: ?Sized> Exclusive<T> {

#[unstable(feature = "exclusive_wrapper", issue = "98407")]
impl<T> From<T> for Exclusive<T> {
#[inline]
fn from(t: T) -> Self {
Self::new(t)
}
Expand All @@ -166,7 +173,7 @@ impl<T> From<T> for Exclusive<T> {
#[unstable(feature = "exclusive_wrapper", issue = "98407")]
impl<T: Future + ?Sized> Future for Exclusive<T> {
type Output = T::Output;

#[inline]
fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
self.get_pin_mut().poll(cx)
}
Expand Down