mirror of https://github.com/rust-lang/rust
30 lines
920 B
Plaintext
30 lines
920 B
Plaintext
error: lifetime may not live long enough
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--> $DIR/ex3-both-anon-regions-one-is-struct-2.rs:4:5
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LL | fn foo(mut x: Ref, y: &u32) {
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| ----- - let's call the lifetime of this reference `'2`
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| |
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| has type `Ref<'_, '1>`
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LL | y = x.b;
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| ^^^^^^^ assignment requires that `'1` must outlive `'2`
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help: consider introducing a named lifetime parameter
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LL | fn foo<'a>(mut x: Ref<'a, 'a>, y: &'a u32) {
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| ++++ ++++++++ ++
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error[E0384]: cannot assign to immutable argument `y`
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--> $DIR/ex3-both-anon-regions-one-is-struct-2.rs:4:5
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LL | y = x.b;
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| ^^^^^^^ cannot assign to immutable argument
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help: consider making this binding mutable
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LL | fn foo(mut x: Ref, mut y: &u32) {
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| +++
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error: aborting due to 2 previous errors
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For more information about this error, try `rustc --explain E0384`.
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