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error[E0277]: the trait bound `{async block@$DIR/issue-55872-3.rs:17:9: 17:14}: Copy` is not satisfied
--> $DIR/issue-55872-3.rs:14:20
|
LL | fn foo<T>() -> Self::E {
| ^^^^^^^ the trait `Copy` is not implemented for `{async block@$DIR/issue-55872-3.rs:17:9: 17:14}`
...
LL | async {}
| -------- return type was inferred to be `{async block@$DIR/issue-55872-3.rs:17:9: 17:14}` here
error: type parameter `T` is part of concrete type but not used in parameter list for the `impl Trait` type alias
--> $DIR/issue-55872-3.rs:14:20
|
LL | fn foo<T>() -> Self::E {
| ^^^^^^^
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0277`.
|
