656db98bd9
CC #99430
55 lines
1.9 KiB
Plaintext
55 lines
1.9 KiB
Plaintext
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 | 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`.
|