rust/tests/ui/traits/const-traits/super-traits-fail-3.yyn.stderr
2025-07-17 18:06:26 +08:00

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error: `[const]` is not allowed here
--> $DIR/super-traits-fail-3.rs:23:12
|
LL | trait Bar: [const] Foo {}
| ^^^^^^^
|
note: this trait is not `const`, so it cannot have `[const]` trait bounds
--> $DIR/super-traits-fail-3.rs:23:1
|
LL | trait Bar: [const] Foo {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^
error: `[const]` can only be applied to `const` traits
--> $DIR/super-traits-fail-3.rs:32:17
|
LL | const fn foo<T: [const] Bar>(x: &T) {
| ^^^^^^^ can't be applied to `Bar`
|
help: mark `Bar` as `const` to allow it to have `const` implementations
|
LL | #[const_trait] trait Bar: [const] Foo {}
| ++++++++++++++
error: `[const]` can only be applied to `const` traits
--> $DIR/super-traits-fail-3.rs:32:17
|
LL | const fn foo<T: [const] Bar>(x: &T) {
| ^^^^^^^ can't be applied to `Bar`
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
help: mark `Bar` as `const` to allow it to have `const` implementations
|
LL | #[const_trait] trait Bar: [const] Foo {}
| ++++++++++++++
error[E0277]: the trait bound `T: [const] Foo` is not satisfied
--> $DIR/super-traits-fail-3.rs:36:7
|
LL | x.a();
| ^
error: aborting due to 4 previous errors
For more information about this error, try `rustc --explain E0277`.