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error[E0277]: the trait bound `{coroutine@$DIR/coroutine.rs:20:9: 20:11}: Coroutine<A>` is not satisfied
--> $DIR/coroutine.rs:20:9
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LL | needs_coroutine(
| --------------- required by a bound introduced by this call
LL | #[coroutine]
LL | / || {
LL | |
LL | | yield ();
LL | | },
| |_________^ the trait `Coroutine<A>` is not implemented for `{coroutine@$DIR/coroutine.rs:20:9: 20:11}`
|
note: required by a bound in `needs_coroutine`
--> $DIR/coroutine.rs:14:28
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LL | fn needs_coroutine(_: impl Coroutine<A, Yield = B, Return = C>) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `needs_coroutine`
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0277`.
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