| // This is not exactly right, yet. | |
| // Ideally we should be suggesting `as_mut` for the first case, | |
| // and suggesting to change `as_ref` to `as_mut` in the second. | |
| fn x(cb: &mut Option<&mut dyn FnMut()>) { | |
| cb.map(|cb| cb()); | |
| //~^ ERROR cannot move out of `*cb` which is behind a mutable reference | |
| } | |
| fn x2(cb: &mut Option<&mut dyn FnMut()>) { | |
| cb.as_ref().map(|cb| cb()); | |
| //~^ ERROR cannot borrow `*cb` as mutable, as it is behind a `&` reference | |
| } | |
| fn main() {} |