rust/tests/ui/regions/regions-infer-not-param.stderr
2023-01-11 09:32:08 +00:00

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