| error[E0106]: missing lifetime specifier |
| --> $DIR/in-fn-return-illegal.rs:5:30 |
| | |
| LL | fn foo(x: &u32, y: &u32) -> &'_ u32 { loop { } } |
| | ---- ---- ^^ expected named lifetime parameter |
| | |
| = help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from `x` or `y` |
| help: consider introducing a named lifetime parameter |
| | |
| LL | fn foo<'a>(x: &'a u32, y: &'a u32) -> &'a u32 { loop { } } |
| | ++++ ++ ++ ~~ |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0106`. |
