mirror of https://github.com/rust-lang/rust
41 lines
2.0 KiB
Plaintext
41 lines
2.0 KiB
Plaintext
error: lifetime may not live long enough
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--> $DIR/regions-infer-not-param.rs:15:54
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LL | fn take_direct<'a,'b>(p: Direct<'a>) -> Direct<'b> { p }
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| -- -- lifetime `'b` defined here ^ function was supposed to return data with lifetime `'b` but it is returning data with lifetime `'a`
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| lifetime `'a` defined here
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= help: consider adding the following bound: `'a: 'b`
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error: lifetime may not live long enough
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--> $DIR/regions-infer-not-param.rs:20:63
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LL | fn take_indirect2<'a,'b>(p: Indirect2<'a>) -> Indirect2<'b> { p }
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| -- -- lifetime `'b` defined here ^ function was supposed to return data with lifetime `'a` but it is returning data with lifetime `'b`
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| lifetime `'a` defined here
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= help: consider adding the following bound: `'b: 'a`
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= note: requirement occurs because of the type `Indirect2<'_>`, which makes the generic argument `'_` invariant
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= note: the struct `Indirect2<'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: lifetime may not live long enough
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--> $DIR/regions-infer-not-param.rs:20:63
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LL | fn take_indirect2<'a,'b>(p: Indirect2<'a>) -> Indirect2<'b> { p }
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| -- -- lifetime `'b` defined here ^ function was supposed to return data with lifetime `'b` but it is returning data with lifetime `'a`
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| lifetime `'a` defined here
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= help: consider adding the following bound: `'a: 'b`
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= note: requirement occurs because of the type `Indirect2<'_>`, which makes the generic argument `'_` invariant
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= note: the struct `Indirect2<'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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help: `'b` and `'a` must be the same: replace one with the other
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error: aborting due to 3 previous errors
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