File: async-with-closure.rs

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rustc 1.85.0%2Bdfsg2-3
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//@ build-pass (FIXME(62277): could be check-pass?)
//@ edition:2018

trait MyClosure {
    type Args;
}

impl<R> MyClosure for dyn FnMut() -> R
where R: 'static {
    type Args = ();
}

struct MyStream<C: ?Sized + MyClosure> {
    x: C::Args,
}

async fn get_future<C: ?Sized + MyClosure>(_stream: MyStream<C>) {}

async fn f() {
    let messages: MyStream<dyn FnMut()> = unimplemented!();
    get_future(messages).await;
}

fn main() {}