Function futures_util::future::maybe_done [−][src]
pub fn maybe_done<Fut: Future>(future: Fut) -> MaybeDone<Fut>ⓘ
Wraps a future into a MaybeDone
Examples
use futures::future; use futures::pin_mut; let future = future::maybe_done(async { 5 }); pin_mut!(future); assert_eq!(future.as_mut().take_output(), None); let () = future.as_mut().await; assert_eq!(future.as_mut().take_output(), Some(5)); assert_eq!(future.as_mut().take_output(), None);