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//@ run-pass
//@ edition:2021
//@ check-run-results
#![feature(dyn_star)]
//~^ WARN the feature `dyn_star` is incomplete and may not be safe to use and/or cause compiler crashes
#![feature(noop_waker)]
use std::future::Future;
async fn foo(f: dyn* Future<Output = i32>) {
println!("value: {}", f.await);
}
async fn async_main() {
foo(Box::pin(async { 1 })).await
}
// ------------------------------------------------------------------------- //
// Implementation Details Below...
use std::pin::pin;
use std::task::*;
fn main() {
let mut fut = pin!(async_main());
// Poll loop, just to test the future...
let ctx = &mut Context::from_waker(Waker::noop());
loop {
match fut.as_mut().poll(ctx) {
Poll::Pending => {}
Poll::Ready(()) => break,
}
}
}
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