Struct ordered_stream::Then

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

A stream for the then function.

Trait Implementations

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

The unordered data carried by this stream

type Ordering = S::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.

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