[−][src]Function futures::future::maybe_done
pub fn maybe_done<Fut>(future: Fut) -> MaybeDone<Fut> where
Fut: Future,
Wraps a future into a MaybeDone
Examples
#![feature(async_await, await_macro, futures_api, use_extern_macros, pin)] use futures::future; use pin_utils::pin_mut; let future = future::maybe_done(future::ready(5)); pin_mut!(future); assert_eq!(future.as_mut().take_output(), None); let () = await!(future.as_mut()); assert_eq!(future.as_mut().take_output(), Some(5)); assert_eq!(future.as_mut().take_output(), None);