Struct ordered_stream::Then

pub struct Then<S, F, Fut>where
    S: OrderedStream,{ /* private fields */ }

A stream for the then function.

Trait Implementations

impl<S, F: Debug, Fut: Debug> Debug for Then<S, F, Fut>where S: OrderedStream + Debug, S::Ordering: Debug,

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

Formats the value using the given formatter.

impl<S, F, Fut> OrderedStream for Then<S, F, Fut>where S: OrderedStream, F: FnMut(S::Data) -> Fut, Fut: Future,

type Data = <Fut as Future>::Output

The unordered data carried by this stream

type Ordering = <S as OrderedStream>::Ordering

The type ordered by this stream.

fn poll_next_before( self: Pin<&mut Self>, cx: &mut Context<'_>, before: Option<&Self::Ordering> ) -> Poll<PollResult<Self::Ordering, Self::Data>>

Attempt to pull out the next value of this stream, registering the current task for wakeup if needed, and returning NoneBefore if it is known that the stream will not produce any more values ordered before the given point.

fn position_hint(&self) -> Option<MaybeBorrowed<'_, Self::Ordering>>

The minimum value of the ordering for any future items.

fn size_hint(&self) -> (usize, Option<usize>)

Returns the bounds on the remaining length of the stream.

impl<'__pin, S, F, Fut> Unpin for Then<S, F, Fut>where __Origin<'__pin, S, F, Fut>: Unpin, S: OrderedStream,