| error[E0621]: explicit lifetime required in the type of `a` | |
| --> $DIR/issue-14285.rs:12:5 | |
| | | |
| LL | fn foo<'a>(a: &dyn Foo) -> B<'a> { | |
| | -------- help: add explicit lifetime `'a` to the type of `a`: `&'a (dyn Foo + 'a)` | |
| LL | B(a) | |
| | ^^^^ lifetime `'a` required | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0621`. |