| error[E0277]: the trait bound `(): T` is not satisfied | |
| --> $DIR/impl_trait_fallback4.rs:13:13 | |
| | | |
| LL | fn foo() -> impl T { | |
| | ^^^^^^ the trait `T` is not implemented for `()` | |
| | | |
| help: this trait has no implementations, consider adding one | |
| --> $DIR/impl_trait_fallback4.rs:3:1 | |
| | | |
| LL | trait T { | |
| | ^^^^^^^ | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0277`. |