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