rust/tests/ui/async-await/pin-needed-to-poll.rs
2023-01-11 09:32:08 +00:00

48 lines
750 B
Rust

use std::{
future::Future,
pin::Pin,
task::{Context, Poll},
};
struct Sleep;
impl Future for Sleep {
type Output = ();
fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
Poll::Ready(())
}
}
impl Drop for Sleep {
fn drop(&mut self) {}
}
fn sleep() -> Sleep {
Sleep
}
struct MyFuture {
sleep: Sleep,
}
impl MyFuture {
fn new() -> Self {
Self {
sleep: sleep(),
}
}
}
impl Future for MyFuture {
type Output = ();
fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
self.sleep.poll(cx)
//~^ ERROR no method named `poll` found for struct `Sleep` in the current scope
}
}
fn main() {}