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error: `[const]` is not allowed here
--> $DIR/super-traits-fail-3.rs:23:10
|
LL | trait Bar: [const] Foo {}
| ^^^^^^^^^
|
note: this trait is not a `#[const_trait]`, so it cannot have `[const]` trait bounds
--> $DIR/super-traits-fail-3.rs:23:1
|
LL | trait Bar: [const] Foo {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^
error[E0658]: const trait impls are experimental
--> $DIR/super-traits-fail-3.rs:23:10
|
LL | trait Bar: [const] Foo {}
| ^^^^^^^^^
|
= note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
= help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
error[E0658]: const trait impls are experimental
--> $DIR/super-traits-fail-3.rs:32:15
|
LL | const fn foo<T: [const] Bar>(x: &T) {
| ^^^^^^^^^
|
= note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
= help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
error: `[const]` can only be applied to `#[const_trait]` traits
--> $DIR/super-traits-fail-3.rs:23:10
|
LL | trait Bar: [const] Foo {}
| ^^^^^^^^^ can't be applied to `Foo`
|
help: enable `#![feature(const_trait_impl)]` in your crate and mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
|
LL | #[const_trait] trait Foo {
| ++++++++++++++
error: `[const]` can only be applied to `#[const_trait]` traits
--> $DIR/super-traits-fail-3.rs:23:10
|
LL | trait Bar: [const] Foo {}
| ^^^^^^^^^ can't be applied to `Foo`
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
help: enable `#![feature(const_trait_impl)]` in your crate and mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
|
LL | #[const_trait] trait Foo {
| ++++++++++++++
error: `[const]` can only be applied to `#[const_trait]` traits
--> $DIR/super-traits-fail-3.rs:23:10
|
LL | trait Bar: [const] Foo {}
| ^^^^^^^^^ can't be applied to `Foo`
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
help: enable `#![feature(const_trait_impl)]` in your crate and mark `Foo` as `#[const_trait]` to allow it to have `const` implementations
|
LL | #[const_trait] trait Foo {
| ++++++++++++++
error: `[const]` can only be applied to `#[const_trait]` traits
--> $DIR/super-traits-fail-3.rs:32:15
|
LL | const fn foo<T: [const] Bar>(x: &T) {
| ^^^^^^^^^ can't be applied to `Bar`
|
help: enable `#![feature(const_trait_impl)]` in your crate and mark `Bar` as `#[const_trait]` to allow it to have `const` implementations
|
LL | #[const_trait] trait Bar: [const] Foo {}
| ++++++++++++++
error: `[const]` can only be applied to `#[const_trait]` traits
--> $DIR/super-traits-fail-3.rs:32:15
|
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: enable `#![feature(const_trait_impl)]` in your crate and mark `Bar` as `#[const_trait]` to allow it to have `const` implementations
|
LL | #[const_trait] trait Bar: [const] Foo {}
| ++++++++++++++
error[E0015]: cannot call non-const method `<T as Foo>::a` in constant functions
--> $DIR/super-traits-fail-3.rs:36:7
|
LL | x.a();
| ^^^
|
= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
error: aborting due to 9 previous errors
Some errors have detailed explanations: E0015, E0658.
For more information about an error, try `rustc --explain E0015`.
|
