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// edition:2018
type AsyncFnPtr = Box<dyn Fn() -> std::pin::Pin<Box<dyn std::future::Future<Output = ()>>>>;
async fn test() {}
#[allow(unused_must_use)]
fn main() {
Box::new(test) as AsyncFnPtr;
//~^ ERROR 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 = ()>`
}
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