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d1d585d039
```
error: lifetime may not live long enough
--> $DIR/lt-ref-self.rs:12:9
|
LL | fn ref_self(&self, f: &u32) -> &u32 {
| - - let's call the lifetime of this reference `'1`
| |
| let's call the lifetime of this reference `'2`
LL | f
| ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
|
help: consider introducing a named lifetime parameter and update trait if needed
|
LL | fn ref_self<'b>(&'b self, f: &'b u32) -> &'b u32 {
| ++++ ++ ++ ++
```