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error[E0276]: impl has stricter requirements than trait
--> $DIR/issue-55872-1.rs:12:15
|
LL | fn foo<T>() -> Self::E;
| ----------------------- definition of `foo` from trait
...
LL | fn foo<T: Default>() -> Self::E {
| ^^^^^^^ impl has extra requirement `T: Default`
error[E0277]: the trait bound `S: Copy` is not satisfied in `(S, T)`
--> $DIR/issue-55872-1.rs:12:29
|
LL | fn foo<T: Default>() -> Self::E {
| ^^^^^^^ within `(S, T)`, the trait `Copy` is not implemented for `S`
...
LL | (S::default(), T::default())
| ---------------------------- return type was inferred to be `(S, T)` here
|
= note: required because it appears within the type `(S, T)`
help: consider further restricting type parameter `S` with trait `Copy`
|
LL | impl<S: Default + std::marker::Copy> Bar for S {
| +++++++++++++++++++
error[E0277]: the trait bound `T: Copy` is not satisfied in `(S, T)`
--> $DIR/issue-55872-1.rs:12:29
|
LL | fn foo<T: Default>() -> Self::E {
| ^^^^^^^ within `(S, T)`, the trait `Copy` is not implemented for `T`
...
LL | (S::default(), T::default())
| ---------------------------- return type was inferred to be `(S, T)` here
|
= note: required because it appears within the type `(S, T)`
help: consider further restricting type parameter `T` with trait `Copy`
|
LL | fn foo<T: Default + std::marker::Copy>() -> Self::E {
| +++++++++++++++++++
error: type parameter `T` is part of concrete type but not used in parameter list for the `impl Trait` type alias
--> $DIR/issue-55872-1.rs:12:29
|
LL | fn foo<T: Default>() -> Self::E {
| ^^^^^^^
error: aborting due to 4 previous errors
Some errors have detailed explanations: E0276, E0277.
For more information about an error, try `rustc --explain E0276`.
|
