1 error[E0277]: the trait bound `(): std::ops::Fn<()>` is not satisfied
2 --> $DIR/issue-22034.rs:18:16
4 LL | &mut *(ptr as *mut Fn())
5 | ^^^ the trait `std::ops::Fn<()>` is not implemented for `()`
7 = note: required for the cast to the object type `dyn std::ops::Fn()`
9 error: aborting due to previous error
11 For more information about this error, try `rustc --explain E0277`.