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15 lines
680 B
Plaintext
15 lines
680 B
Plaintext
error: lifetime may not live long enough
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--> $DIR/regions-infer-invariance-due-to-mutability-3.rs:10:5
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LL | fn to_longer_lifetime<'r>(b_isize: Invariant<'r>) -> Invariant<'static> {
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| -- lifetime `'r` defined here
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LL | b_isize
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| ^^^^^^^ returning this value requires that `'r` must outlive `'static`
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= note: requirement occurs because of the type `Invariant<'_>`, which makes the generic argument `'_` invariant
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= note: the struct `Invariant<'a>` is invariant over the parameter `'a`
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= help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
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error: aborting due to previous error
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