| error[E0308]: mismatched types | |
| --> $DIR/issue-57843.rs:23:9 | |
| | | |
| LL | Foo(Box::new(|_| ())); | |
| | ^^^^^^^^^^^^^^^^ one type is more general than the other | |
| | | |
| = note: expected type `std::ops::FnOnce<(&'a bool,)>` | |
| found type `std::ops::FnOnce<(&bool,)>` | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0308`. |