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error: lifetime may not live long enough
--> $DIR/ex3-both-anon-regions-return-type-is-anon.rs:7:5
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LL | fn foo<'a>(&self, x: &i32) -> &i32 {
| - - let's call the lifetime of this reference `'1`
| |
| let's call the lifetime of this reference `'2`
LL | x
| ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
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help: consider introducing a named lifetime parameter and update trait if needed
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LL | fn foo<'a>(&'a self, x: &'a i32) -> &i32 {
| ++ ++
error: aborting due to previous error
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