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error[E0521]: borrowed data escapes outside of closure
--> $DIR/expect-region-supply-region.rs:20:9
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LL | let mut f: Option<&u32> = None;
| ----- `f` declared here, outside of the closure body
LL | closure_expecting_bound(|x| {
| - `x` is a reference that is only valid in the closure body
LL | f = Some(x);
| ^^^^^^^^^^^ `x` escapes the closure body here
error[E0521]: borrowed data escapes outside of closure
--> $DIR/expect-region-supply-region.rs:30:9
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LL | let mut f: Option<&u32> = None;
| ----- `f` declared here, outside of the closure body
LL | closure_expecting_bound(|x: &u32| {
| - `x` is a reference that is only valid in the closure body
LL | f = Some(x);
| ^^^^^^^^^^^ `x` escapes the closure body here
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0521`.
|