rust/src/test/ui/issues/issue-54954.stderr

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error[E0379]: trait fns cannot be declared const
--> $DIR/issue-54954.rs:7:5
|
LL | const fn const_val<T: Sized>() -> usize {
| ^^^^^ trait fns cannot be const
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error[E0283]: type annotations needed
--> $DIR/issue-54954.rs:3:24
|
LL | const ARR_LEN: usize = Tt::const_val::<[i8; 123]>();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^
| |
| cannot infer type
| help: consider specifying the type argument in the function call: `Tt::const_val::<[i8; 123]>::<T>`
...
LL | const fn const_val<T: Sized>() -> usize {
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| --------- - required by this bound in `Tt::const_val`
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|
= note: cannot resolve `_: Tt`
error[E0080]: evaluation of constant value failed
--> $DIR/issue-54954.rs:13:15
|
LL | fn f(z: [f32; ARR_LEN]) -> [f32; ARR_LEN] {
| ^^^^^^^ referenced constant has errors
error[E0080]: evaluation of constant value failed
--> $DIR/issue-54954.rs:13:34
|
LL | fn f(z: [f32; ARR_LEN]) -> [f32; ARR_LEN] {
| ^^^^^^^ referenced constant has errors
error: aborting due to 4 previous errors
Some errors have detailed explanations: E0080, E0283, E0379.
For more information about an error, try `rustc --explain E0080`.