Struct futures_util::stream::Next

#[must_use = "futures do nothing unless you `.await` or poll them"]
pub struct Next<'a, St: ?Sized> { /* fields omitted */ }

Future for the next method.

Trait Implementations

impl<'a, St: Debug + ?Sized> Debug for Next<'a, St>

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<'_, St: ?Sized + Unpin> Unpin for Next<'_, St>

impl<'_, St: ?Sized + Stream + Unpin> Future for Next<'_, St>

type Output = Option<St::Item>

The type of value produced on completion.

fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output>

Attempt to resolve the future to a final value, registering the current task for wakeup if the value is not yet available.

impl<'_, St: ?Sized + FusedStream + Unpin> FusedFuture for Next<'_, St>

fn is_terminated(&self) -> bool

Returns true if the underlying future should no longer be polled.