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//@ check-pass
//@ edition: 2021
use std::future::Future;
use std::pin::Pin;
use std::task::Poll;
pub trait MyTrait {
#[allow(async_fn_in_trait)]
async fn foo(&self) -> i32;
}
#[derive(Clone)]
struct MyFuture(i32);
impl Future for MyFuture {
type Output = i32;
fn poll(
self: Pin<&mut Self>,
_: &mut std::task::Context<'_>,
) -> Poll<<Self as Future>::Output> {
Poll::Ready(self.0)
}
}
impl MyTrait for i32 {
#[expect(refining_impl_trait)]
fn foo(&self) -> impl Future<Output = i32> + Clone {
MyFuture(*self)
}
}
fn main() {}
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