rust/tests/ui/rfcs/rfc-2632-const-trait-impl/trait-default-body-stability.stderr
2024-06-19 04:41:56 +00:00

127 lines
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Text

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
|
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
|
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
|
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[E0284]: type annotations needed
--> $DIR/trait-default-body-stability.rs:33:6
|
LL | impl const FromResidual for T {
| ^^^^^ cannot infer the value of the constant `_`
|
note: required for `T` to implement `Try`
--> $DIR/trait-default-body-stability.rs:18:12
|
LL | impl const Try for T {
| ----- ^^^ ^
| |
| unsatisfied trait bound introduced here
error[E0284]: type annotations needed
--> $DIR/trait-default-body-stability.rs:44:9
|
LL | T?
| ^^ cannot infer the value of the constant `_`
|
note: required for `T` to implement `Try`
--> $DIR/trait-default-body-stability.rs:18:12
|
LL | impl const Try for T {
| ----- ^^^ ^
| |
| unsatisfied trait bound introduced here
error[E0284]: type annotations needed
--> $DIR/trait-default-body-stability.rs:44:9
|
LL | T?
| ^^ cannot infer the value of the constant `_`
|
note: required for `T` to implement `FromResidual<T>`
--> $DIR/trait-default-body-stability.rs:33:12
|
LL | impl const FromResidual for T {
| ----- ^^^^^^^^^^^^ ^
| |
| unsatisfied trait bound introduced here
error[E0284]: type annotations needed
--> $DIR/trait-default-body-stability.rs:44:9
|
LL | T?
| ^^ cannot infer the value of the constant `_`
|
note: required for `T` to implement `Try`
--> $DIR/trait-default-body-stability.rs:18:12
|
LL | impl const Try for T {
| ----- ^^^ ^
| |
| unsatisfied trait bound introduced here
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error[E0284]: type annotations needed
--> $DIR/trait-default-body-stability.rs:44:9
|
LL | T?
| ^^ cannot infer the value of the constant `_`
|
note: required for `T` to implement `FromResidual<T>`
--> $DIR/trait-default-body-stability.rs:33:12
|
LL | impl const FromResidual for T {
| ----- ^^^^^^^^^^^^ ^
| |
| unsatisfied trait bound introduced here
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error[E0284]: type annotations needed
--> $DIR/trait-default-body-stability.rs:44:9
|
LL | T?
| ^^ cannot infer the value of the constant `_`
|
note: required for `T` to implement `Try`
--> $DIR/trait-default-body-stability.rs:18:12
|
LL | impl const Try for T {
| ----- ^^^ ^
| |
| unsatisfied trait bound introduced here
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: aborting due to 10 previous errors
Some errors have detailed explanations: E0207, E0284.
For more information about an error, try `rustc --explain E0207`.