| error[E0277]: the trait bound `(): InOut<_>` is not satisfied |
| --> $DIR/issue-25076.rs:10:20 |
| | |
| LL | do_fold(bot(), ()); |
| | ------- ^^ the trait `InOut<_>` is not implemented for `()` |
| | | |
| | required by a bound introduced by this call |
| | |
| help: this trait has no implementations, consider adding one |
| --> $DIR/issue-25076.rs:3:1 |
| | |
| LL | trait InOut<T> { type Out; } |
| | ^^^^^^^^^^^^^^ |
| note: required by a bound in `do_fold` |
| --> $DIR/issue-25076.rs:5:18 |
| | |
| LL | fn do_fold<B, F: InOut<B, Out=B>>(init: B, f: F) {} |
| | ^^^^^^^^^^^^^^^ required by this bound in `do_fold` |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0277`. |