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Add a test forbidding the use of const parameters in inner items
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#![feature(const_generics)] | ||
//~^ WARN the feature `const_generics` is incomplete and may cause the compiler to crash | ||
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fn foo<const X: u32>() { | ||
//~^ ERROR const generics in any position are currently unsupported | ||
fn bar() -> u32 { | ||
X //~ ERROR can't use generic parameters from outer function | ||
} | ||
} | ||
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fn main() {} |
26 changes: 26 additions & 0 deletions
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src/test/ui/const-generics/const-param-from-outer-fn.stderr
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warning: the feature `const_generics` is incomplete and may cause the compiler to crash | ||
--> $DIR/const-param-from-outer-fn.rs:1:12 | ||
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LL | #![feature(const_generics)] | ||
| ^^^^^^^^^^^^^^ | ||
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error[E0401]: can't use generic parameters from outer function | ||
--> $DIR/const-param-from-outer-fn.rs:7:9 | ||
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LL | fn foo<const X: u32>() { | ||
| - const variable from outer function | ||
LL | //~^ ERROR const generics in any position are currently unsupported | ||
LL | fn bar() -> u32 { | ||
| --- try adding a local generic parameter in this method instead | ||
LL | X //~ ERROR can't use generic parameters from outer function | ||
| ^ use of generic parameter from outer function | ||
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error: const generics in any position are currently unsupported | ||
--> $DIR/const-param-from-outer-fn.rs:4:14 | ||
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LL | fn foo<const X: u32>() { | ||
| ^ | ||
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error: aborting due to 2 previous errors | ||
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For more information about this error, try `rustc --explain E0401`. |