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//@ run-pass
//@ edition:2021
#![feature(noop_waker)]
use std::future::Future;
trait AsyncTrait {
#[allow(async_fn_in_trait)]
async fn default_impl() {
assert!(false);
}
#[allow(async_fn_in_trait)]
async fn call_default_impl() {
Self::default_impl().await
}
}
struct AsyncType;
impl AsyncTrait for AsyncType {
async fn default_impl() {
// :)
}
}
async fn async_main() {
// Should not assert false
AsyncType::call_default_impl().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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