rust/tests/ui/rfcs/rfc-2632-const-trait-impl/trait-default-body-stability.stderr
2023-12-19 04:28:21 +00:00

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error: const `impl` for trait `Try` which is not marked with `#[const_trait]`
--> $DIR/trait-default-body-stability.rs:18:12
|
LL | impl const Try for T {
| ^^^
|
= note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
= note: adding a non-const method body in the future would be a breaking change
error: const `impl` for trait `FromResidual` which is not marked with `#[const_trait]`
--> $DIR/trait-default-body-stability.rs:33:12
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LL | impl const FromResidual for T {
| ^^^^^^^^^^^^
|
= note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
= note: adding a non-const method body in the future would be a breaking change
error[E0207]: the const parameter `host` is not constrained by the impl trait, self type, or predicates
--> $DIR/trait-default-body-stability.rs:18:6
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LL | impl const Try for T {
| ^^^^^ unconstrained const parameter
|
= note: expressions using a const parameter must map each value to a distinct output value
= note: proving the result of expressions other than the parameter are unique is not supported
error[E0207]: the const parameter `host` is not constrained by the impl trait, self type, or predicates
--> $DIR/trait-default-body-stability.rs:33:6
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LL | impl const FromResidual for T {
| ^^^^^ unconstrained const parameter
|
= note: expressions using a const parameter must map each value to a distinct output value
= note: proving the result of expressions other than the parameter are unique is not supported
error: aborting due to 4 previous errors
For more information about this error, try `rustc --explain E0207`.