Struct futures_util::try_stream::MapOk

#[must_use = "streams do nothing unless polled"]
pub struct MapOk<St, F> { /* fields omitted */ }

Stream for the map_ok combinator.

Trait Implementations

impl<St: Debug, F: Debug> Debug for MapOk<St, F>

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

Formats the value using the given formatter.

impl<St: Unpin, F> Unpin for MapOk<St, F>

impl<St, F, T> Stream for MapOk<St, F> where     St: TryStream,     F: FnMut(St::Ok) -> T,

type Item = Result<T, St::Error>

Values yielded by the stream.

fn poll_next(self: PinMut<Self>, cx: &mut Context) -> Poll<Option<Self::Item>>

Attempt to pull out the next value of this stream, registering the current task for wakeup if the value is not yet available, and returning None if the stream is exhausted.