error[E0106]: missing lifetime specifier | |
--> $DIR/in-fn-return-illegal.rs:15:30 | |
| | |
LL | fn foo(x: &u32, y: &u32) -> &'_ u32 { loop { } } //~ ERROR missing lifetime specifier | |
| ^^ expected 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` | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0106`. |