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error: `[const]` is not allowed here
--> $DIR/super-traits-fail-2.rs:11:12
|
LL | trait Bar: [const] Foo {}
| ^^^^^^^
|
note: this trait is not `const`, so it cannot have `[const]` trait bounds
--> $DIR/super-traits-fail-2.rs:11:1
|
LL | trait Bar: [const] Foo {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^
error: `[const]` can only be applied to `const` traits
--> $DIR/super-traits-fail-2.rs:11:12
|
LL | trait Bar: [const] Foo {}
| ^^^^^^^ can't be applied to `Foo`
|
help: mark `Foo` as `const` to allow it to have `const` implementations
|
LL | #[const_trait] trait Foo {
| ++++++++++++++
error: `[const]` can only be applied to `const` traits
--> $DIR/super-traits-fail-2.rs:11:12
|
LL | trait Bar: [const] Foo {}
| ^^^^^^^ can't be applied to `Foo`
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
help: mark `Foo` as `const` to allow it to have `const` implementations
|
LL | #[const_trait] trait Foo {
| ++++++++++++++
error: `[const]` can only be applied to `const` traits
--> $DIR/super-traits-fail-2.rs:11:12
|
LL | trait Bar: [const] Foo {}
| ^^^^^^^ can't be applied to `Foo`
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
help: mark `Foo` as `const` to allow it to have `const` implementations
|
LL | #[const_trait] trait Foo {
| ++++++++++++++
error[E0015]: cannot call non-const method `<T as Foo>::a` in constant functions
--> $DIR/super-traits-fail-2.rs:20:7
|
LL | x.a();
| ^^^
|
= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
error: aborting due to 5 previous errors
For more information about this error, try `rustc --explain E0015`.
|
