rust/tests/ui/coroutine/too-live-local-in-immovable-gen.stderr
Oli Scherer aef0f4024a Error on using yield without also using #[coroutine] on the closure
And suggest adding the `#[coroutine]` to the closure
2024-04-24 08:05:29 +00:00

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warning: unused coroutine that must be used
--> $DIR/too-live-local-in-immovable-gen.rs:8:22
|
LL | #[coroutine] static move || {
| ______________________^
LL | | // Tests that the coroutine transformation finds out that `a` is not live
LL | | // during the yield expression. Type checking will also compute liveness
LL | | // and it should also find out that `a` is not live.
... |
LL | | let _ = &a;
LL | | };
| |_________^
|
= note: coroutines are lazy and do nothing unless resumed
= note: `#[warn(unused_must_use)]` on by default
warning: 1 warning emitted