Function async_std::stream::pending

source ·
pub fn pending<T>() -> Pending<T>
Available on unstable only.
Expand description

Creates a stream that never returns any items.

The returned stream will always return Pending when polled.

§Examples

use std::time::Duration;

use async_std::prelude::*;
use async_std::stream;

let dur = Duration::from_millis(100);
let mut s = stream::pending::<()>().timeout(dur);

let item = s.next().await;

assert!(item.is_some());
assert!(item.unwrap().is_err());