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error[E0271]: expected `fn() -> impl Future<Output = ()> {test}` to be a fn item that returns `Pin<Box<(dyn Future<Output = ()> + 'static)>>`, but it returns `impl Future<Output = ()>`
--> $DIR/issue-98604.rs:9:5
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LL | Box::new(test) as AsyncFnPtr;
| ^^^^^^^^^^^^^^ expected struct `Pin`, found opaque type
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note: while checking the return type of the `async fn`
--> $DIR/issue-98604.rs:5:17
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LL | async fn test() {}
| ^ checked the `Output` of this `async fn`, found opaque type
= note: expected struct `Pin<Box<(dyn Future<Output = ()> + 'static)>>`
found opaque type `impl Future<Output = ()>`
= note: required for the cast from `fn() -> impl Future<Output = ()> {test}` to the object type `dyn Fn() -> Pin<Box<(dyn Future<Output = ()> + 'static)>>`
error: aborting due to previous error
For more information about this error, try `rustc --explain E0271`.
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