rust/src/test/ui/regions/regions-free-region-ordering-callee-4.stderr

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error[E0491]: in type `&'a &'b usize`, reference has a longer lifetime than the data it references
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--> $DIR/regions-free-region-ordering-callee-4.rs:5:1
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|
LL | / fn ordering4<'a, 'b, F>(a: &'a usize, b: &'b usize, x: F) where F: FnOnce(&'a &'b usize) {
LL | | //~^ ERROR reference has a longer lifetime than the data it references
LL | | // Do not infer ordering from closure argument types.
LL | | let z: Option<&'a &'b usize> = None;
LL | | }
| |_^
|
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note: the pointer is valid for the lifetime 'a as defined on the function body at 5:14
--> $DIR/regions-free-region-ordering-callee-4.rs:5:14
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|
LL | fn ordering4<'a, 'b, F>(a: &'a usize, b: &'b usize, x: F) where F: FnOnce(&'a &'b usize) {
| ^^
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note: but the referenced data is only valid for the lifetime 'b as defined on the function body at 5:18
--> $DIR/regions-free-region-ordering-callee-4.rs:5:18
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|
LL | fn ordering4<'a, 'b, F>(a: &'a usize, b: &'b usize, x: F) where F: FnOnce(&'a &'b usize) {
| ^^
error: aborting due to previous error
For more information about this error, try `rustc --explain E0491`.