Enum libp2p_core::either::EitherOutput

pub enum EitherOutput<A, B> {
    First(A),
    Second(B),
}

Implements AsyncRead and AsyncWrite and dispatches all method calls to either First or Second.

Variants

First(A)

Second(B)

Trait Implementations

impl<A, B> AsyncRead for EitherOutput<A, B>where
    A: AsyncRead,
    B: AsyncRead,

fn poll_read(
    self: Pin<&mut Self>,
    cx: &mut Context<'_>,
    buf: &mut [u8]
) -> Poll<Result<usize>>

Attempt to read from the AsyncRead into buf.

fn poll_read_vectored(
    self: Pin<&mut Self>,
    cx: &mut Context<'_>,
    bufs: &mut [IoSliceMut<'_>]
) -> Poll<Result<usize>>

Attempt to read from the AsyncRead into bufs using vectored IO operations.

impl<A, B> AsyncWrite for EitherOutput<A, B>where
    A: AsyncWrite,
    B: AsyncWrite,

fn poll_write(
    self: Pin<&mut Self>,
    cx: &mut Context<'_>,
    buf: &[u8]
) -> Poll<Result<usize>>

Attempt to write bytes from buf into the object.

fn poll_write_vectored(
    self: Pin<&mut Self>,
    cx: &mut Context<'_>,
    bufs: &[IoSlice<'_>]
) -> Poll<Result<usize>>

Attempt to write bytes from bufs into the object using vectored IO operations.

fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<()>>

Attempt to flush the object, ensuring that any buffered data reach their destination.

fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<()>>

Attempt to close the object.

impl<A: Clone, B: Clone> Clone for EitherOutput<A, B>

fn clone(&self) -> EitherOutput<A, B>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<A: Debug, B: Debug> Debug for EitherOutput<A, B>

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

Formats the value using the given formatter.

impl<A, B, I> Sink<I> for EitherOutput<A, B>where
    A: Sink<I>,
    B: Sink<I>,

type Error = EitherError<<A as Sink<I>>::Error, <B as Sink<I>>::Error>

The type of value produced by the sink when an error occurs.

fn poll_ready(
    self: Pin<&mut Self>,
    cx: &mut Context<'_>
) -> Poll<Result<(), Self::Error>>

Attempts to prepare the Sink to receive a value.

fn start_send(self: Pin<&mut Self>, item: I) -> Result<(), Self::Error>

Begin the process of sending a value to the sink. Each call to this function must be preceded by a successful call to poll_ready which returned Poll::Ready(Ok(())).

fn poll_flush(
    self: Pin<&mut Self>,
    cx: &mut Context<'_>
) -> Poll<Result<(), Self::Error>>

Flush any remaining output from this sink.

fn poll_close(
    self: Pin<&mut Self>,
    cx: &mut Context<'_>
) -> Poll<Result<(), Self::Error>>

Flush any remaining output and close this sink, if necessary.

impl<A, B, I> Stream for EitherOutput<A, B>where
    A: TryStream<Ok = I>,
    B: TryStream<Ok = I>,

type Item = Result<I, EitherError<<A as TryStream>::Error, <B as TryStream>::Error>>

Values yielded by the stream.

fn poll_next(
    self: Pin<&mut 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.

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

Returns the bounds on the remaining length of the stream.

impl<A, B> StreamMuxer for EitherOutput<A, B>where
    A: StreamMuxer,
    B: StreamMuxer,

type Substream = EitherOutput<<A as StreamMuxer>::Substream, <B as StreamMuxer>::Substream>

Type of the object that represents the raw substream where data can be read and written.

type Error = EitherError<<A as StreamMuxer>::Error, <B as StreamMuxer>::Error>

Error type of the muxer

fn poll_inbound(
    self: Pin<&mut Self>,
    cx: &mut Context<'_>
) -> Poll<Result<Self::Substream, Self::Error>>

Poll for new inbound substreams.

fn poll_outbound(
    self: Pin<&mut Self>,
    cx: &mut Context<'_>
) -> Poll<Result<Self::Substream, Self::Error>>

Poll for a new, outbound substream.

fn poll_close(
    self: Pin<&mut Self>,
    cx: &mut Context<'_>
) -> Poll<Result<(), Self::Error>>

Poll to close this StreamMuxer.

fn poll(
    self: Pin<&mut Self>,
    cx: &mut Context<'_>
) -> Poll<Result<StreamMuxerEvent, Self::Error>>

Poll to allow the underlying connection to make progress.

impl<A: Copy, B: Copy> Copy for EitherOutput<A, B>

impl<'pin, A, B> Unpin for EitherOutput<A, B>where
    __EitherOutput<'pin, A, B>: Unpin,