| error[E0308]: mismatched types |
| --> $DIR/match-ref-mut-let-invariance.rs:11:9 |
| | |
| LL | x |
| | ^ lifetime mismatch |
| | |
| = note: expected type `&'a mut &'a i32` |
| found type `&'a mut &'b i32` |
| note: the lifetime 'a as defined on the method body at 9:12... |
| --> $DIR/match-ref-mut-let-invariance.rs:9:12 |
| | |
| LL | fn bar<'a>(&'a mut self) -> &'a mut &'a i32 { |
| | ^^ |
| note: ...does not necessarily outlive the lifetime 'b as defined on the impl at 8:6 |
| --> $DIR/match-ref-mut-let-invariance.rs:8:6 |
| | |
| LL | impl<'b> S<'b> { |
| | ^^ |
| |
| error: aborting due to previous error |
| |
| For more information about this error, try `rustc --explain E0308`. |