| error[E0277]: `()` doesn't implement `std::fmt::Display` | |
| --> $DIR/doesnt-satisfy.rs:6:17 | |
| | | |
| LL | fn bar() -> () {} | |
| | ^^ the trait `std::fmt::Display` is not implemented for `()` | |
| | | |
| note: required by a bound in `Foo::bar::{anon_assoc#0}` | |
| --> $DIR/doesnt-satisfy.rs:2:22 | |
| | | |
| LL | fn bar() -> impl std::fmt::Display; | |
| | ^^^^^^^^^^^^^^^^^ required by this bound in `Foo::bar::{anon_assoc#0}` | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0277`. |