mirror of https://github.com/rust-lang/rust
34 lines
1.4 KiB
Plaintext
34 lines
1.4 KiB
Plaintext
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:5:68
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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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| ^^^^^^^^^^^^^^^^^^^^^
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note: the pointer is valid for the lifetime `'a` as defined here
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--> $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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| ^^
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note: but the referenced data is only valid for the lifetime `'b` as defined here
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--> $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) {
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| ^^
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error: lifetime may not live long enough
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--> $DIR/regions-free-region-ordering-callee-4.rs:8:12
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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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| -- -- lifetime `'b` defined here
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| |
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| lifetime `'a` defined here
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...
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LL | let z: Option<&'a &'b usize> = None;
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| ^^^^^^^^^^^^^^^^^^^^^ requires that `'b` must outlive `'a`
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= help: consider adding the following bound: `'b: 'a`
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error: aborting due to 2 previous errors
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For more information about this error, try `rustc --explain E0491`.
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