| error[E0621]: explicit lifetime required in the type of `x` | |
| --> $DIR/ex2a-push-one-existing-name-2.rs:6:5 | |
| | | |
| LL | fn foo<'a>(x: Ref<i32>, y: &mut Vec<Ref<'a, i32>>) { | |
| | -------- help: add explicit lifetime `'a` to the type of `x`: `Ref<'a, i32>` | |
| LL | y.push(x); | |
| | ^^^^^^^^^ lifetime `'a` required | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0621`. |