| error[E0277]: expected a `Fn()` closure, found `()` | |
| --> $DIR/issue-22034.rs:4:16 | |
| | | |
| LL | &mut *(ptr as *mut dyn Fn()) | |
| | ^^^ expected an `Fn()` closure, found `()` | |
| | | |
| = help: the trait `Fn()` is not implemented for `()` | |
| = note: wrap the `()` in a closure with no arguments: `|| { /* code */ }` | |
| = note: required for the cast from `*mut ()` to `*mut dyn Fn()` | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0277`. |