| error[E0277]: the trait bound `dyn Foo<(char,), Output = ()>: Eq<dyn Foo<(), Output = ()>>` is not satisfied |
| --> $DIR/unboxed-closure-sugar-equiv.rs:43:5 |
| | |
| LL | fn eq<A: ?Sized,B: ?Sized +Eq<A>>() { } |
| | -- ----- required by this bound in `eq` |
| ... |
| LL | / eq::< dyn Foo<(),Output=()>, |
| LL | | dyn Foo(char) >(); |
| | |_______________________________________________________________________^ the trait `Eq<dyn Foo<(), Output = ()>>` is not implemented for `dyn Foo<(char,), Output = ()>` |
| |
| error: aborting due to previous error |
| |
| For more information about this error, try `rustc --explain E0277`. |