| error[E0277]: the trait bound `MyCall: Callback` is not satisfied | |
| --> $DIR/issue-75707.rs:15:5 | |
| | | |
| LL | fn f<P: Processing + ?Sized>() { | |
| | ---------- required by this bound in `f` | |
| ... | |
| LL | f::<dyn Processing<Call = MyCall>>(); | |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Callback` is not implemented for `MyCall` | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0277`. |