| error[E0521]: borrowed data escapes outside of closure |
| --> $DIR/regions-nested-fns.rs:12:9 |
| | |
| LL | let mut ay = &y; |
| | ------ `ay` declared here, outside of the closure body |
| ... |
| LL | ignore::<Box<dyn for<'z> FnMut(&'z isize)>>(Box::new(|z| { |
| | - `z` is a reference that is only valid in the closure body |
| ... |
| LL | ay = z; |
| | ^^^^^^ `z` escapes the closure body here |
| |
| error[E0597]: `y` does not live long enough |
| --> $DIR/regions-nested-fns.rs:5:18 |
| | |
| LL | let y = 3; |
| | - binding `y` declared here |
| LL | let mut ay = &y; |
| | ^^ borrowed value does not live long enough |
| ... |
| LL | if false { return ay; } |
| | -- returning this value requires that `y` is borrowed for `'static` |
| ... |
| LL | } |
| | - `y` dropped here while still borrowed |
| |
| error[E0597]: `y` does not live long enough |
| --> $DIR/regions-nested-fns.rs:10:15 |
| | |
| LL | let y = 3; |
| | - binding `y` declared here |
| ... |
| LL | ignore::<Box<dyn for<'z> FnMut(&'z isize)>>(Box::new(|z| { |
| | --- value captured here |
| LL | ay = x; |
| LL | ay = &y; |
| | ^ borrowed value does not live long enough |
| ... |
| LL | if false { return ay; } |
| | -- returning this value requires that `y` is borrowed for `'static` |
| ... |
| LL | } |
| | - `y` dropped here while still borrowed |
| |
| error: lifetime may not live long enough |
| --> $DIR/regions-nested-fns.rs:17:27 |
| | |
| LL | fn nested<'x>(x: &'x isize) { |
| | -- lifetime `'x` defined here |
| ... |
| LL | if false { return x; } |
| | ^ returning this value requires that `'x` must outlive `'static` |
| |
| error: aborting due to 4 previous errors |
| |
| Some errors have detailed explanations: E0521, E0597. |
| For more information about an error, try `rustc --explain E0521`. |