| error[E0308]: mismatched types |
| --> $DIR/issue-51154.rs:2:30 |
| | |
| LL | fn foo<F: FnMut()>() { |
| | - this type parameter |
| LL | let _: Box<F> = Box::new(|| ()); |
| | ^^^^^ expected type parameter `F`, found closure |
| | |
| = note: expected type parameter `F` |
| found closure `[closure@$DIR/issue-51154.rs:2:30: 2:35]` |
| = help: every closure has a distinct type and so could not always match the caller-chosen type of parameter `F` |
| |
| error: aborting due to previous error |
| |
| For more information about this error, try `rustc --explain E0308`. |
