| error[E0521]: borrowed data escapes outside of closure | |
| --> $DIR/regions-escape-unboxed-closure.rs:6:23 | |
| | | |
| LL | let mut x: Option<&isize> = None; | |
| | ----- `x` is declared here, outside of the closure body | |
| LL | with_int(&mut |y| x = Some(y)); | |
| | - ^^^^^^^^^^^ `y` escapes the closure body here | |
| | | | |
| | `y` is a reference that is only valid in the closure body | |
| error: aborting due to previous error | |