| error[E0277]: the trait bound `impl Future: Copy` is not satisfied |
| --> $DIR/issue-55872-2.rs:14:14 |
| | |
| LL | type E = impl std::marker::Copy; |
| | ^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `impl Future` |
| |
| error: type parameter `T` is part of concrete type but not used in parameter list for the `impl Trait` type alias |
| --> $DIR/issue-55872-2.rs:16:28 |
| | |
| LL | fn foo<T>() -> Self::E { |
| | ____________________________^ |
| LL | | |
| LL | | async {} |
| LL | | } |
| | |_____^ |
| |
| error: aborting due to 2 previous errors |
| |
| For more information about this error, try `rustc --explain E0277`. |
