blob: ee13012b03235de9c32b93c3a62dc8880d566283 [file] [log] [blame]
use core::pin::Pin;
use futures_core::future::{FusedFuture, Future, TryFuture};
use futures_core::task::{LocalWaker, Poll};
use pin_utils::unsafe_pinned;
/// Future for the [`into_future`](super::TryFutureExt::into_future) combinator.
#[derive(Debug)]
#[must_use = "futures do nothing unless polled"]
pub struct IntoFuture<Fut> {
future: Fut,
}
impl<Fut> IntoFuture<Fut> {
unsafe_pinned!(future: Fut);
#[inline]
pub(super) fn new(future: Fut) -> IntoFuture<Fut> {
IntoFuture { future }
}
}
impl<Fut: FusedFuture> FusedFuture for IntoFuture<Fut> {
fn is_terminated(&self) -> bool { self.future.is_terminated() }
}
impl<Fut: TryFuture> Future for IntoFuture<Fut> {
type Output = Result<Fut::Ok, Fut::Error>;
#[inline]
fn poll(
self: Pin<&mut Self>,
lw: &LocalWaker,
) -> Poll<Self::Output> {
self.future().try_poll(lw)
}
}