| warning: unused coroutine that must be used | |
| --> $DIR/reborrow-mut-upvar.rs:6:18 | |
| | | |
| LL | #[coroutine] || { | |
| | __________________^ | |
| LL | | { | |
| LL | | let _baz = &*bar; | |
| LL | | yield; | |
| ... | | |
| LL | | *bar = 2; | |
| LL | | }; | |
| | |_____^ | |
| | | |
| = note: coroutines are lazy and do nothing unless resumed | |
| = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default | |
| warning: 1 warning emitted | |