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 EitherOutput<A, B>>,
    cx: &mut Context,
    buf: &mut [u8]
) -> Poll<Result<usize, Error>>

Attempt to read from the AsyncRead into buf.

fn poll_read_vectored(
    self: Pin<&mut EitherOutput<A, B>>,
    cx: &mut Context,
    bufs: &mut [IoSliceMut]
) -> Poll<Result<usize, Error>>

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 EitherOutput<A, B>>,
    cx: &mut Context,
    buf: &[u8]
) -> Poll<Result<usize, Error>>

Attempt to write bytes from buf into the object.

fn poll_write_vectored(
    self: Pin<&mut EitherOutput<A, B>>,
    cx: &mut Context,
    bufs: &[IoSlice]
) -> Poll<Result<usize, Error>>

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

fn poll_flush(
    self: Pin<&mut EitherOutput<A, B>>,
    cx: &mut Context
) -> Poll<Result<(), Error>>

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

fn poll_close(
    self: Pin<&mut EitherOutput<A, B>>,
    cx: &mut Context
) -> Poll<Result<(), Error>>

Attempt to close the object.

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

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

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

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

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 EitherOutput<A, B>>,
    cx: &mut Context
) -> Poll<Result<(), <EitherOutput<A, B> as Sink<I>>::Error>>

Attempts to prepare the Sink to receive a value.

fn start_send(
    self: Pin<&mut EitherOutput<A, B>>,
    item: I
) -> Result<(), <EitherOutput<A, B> as Sink<I>>::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 EitherOutput<A, B>>,
    cx: &mut Context
) -> Poll<Result<(), <EitherOutput<A, B> as Sink<I>>::Error>>

Flush any remaining output from this sink.

fn poll_close(
    self: Pin<&mut EitherOutput<A, B>>,
    cx: &mut Context
) -> Poll<Result<(), <EitherOutput<A, B> as Sink<I>>::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 EitherOutput<A, B>>,
    cx: &mut Context
) -> Poll<Option<<EitherOutput<A, B> as Stream>::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 OutboundSubstream = EitherOutbound<A, B>

Future that will be resolved when the outgoing substream is open.

type Error = Error

Error type of the muxer

fn poll_inbound(
    &self,
    cx: &mut Context
) -> Poll<Result<<EitherOutput<A, B> as StreamMuxer>::Substream, <EitherOutput<A, B> as StreamMuxer>::Error>>

Polls for an inbound substream.

fn open_outbound(
    &self
) -> <EitherOutput<A, B> as StreamMuxer>::OutboundSubstream

Opens a new outgoing substream, and produces the equivalent to a future that will be resolved when it becomes available.

fn poll_outbound(
    &self,
    cx: &mut Context,
    substream: &mut <EitherOutput<A, B> as StreamMuxer>::OutboundSubstream
) -> Poll<Result<<EitherOutput<A, B> as StreamMuxer>::Substream, <EitherOutput<A, B> as StreamMuxer>::Error>>

Polls the outbound substream.

fn destroy_outbound(
    &self,
    substream: <EitherOutput<A, B> as StreamMuxer>::OutboundSubstream
)

Destroys an outbound substream future. Use this after the outbound substream has finished, or if you want to interrupt it.

fn read_substream(
    &self,
    cx: &mut Context,
    sub: &mut <EitherOutput<A, B> as StreamMuxer>::Substream,
    buf: &mut [u8]
) -> Poll<Result<usize, <EitherOutput<A, B> as StreamMuxer>::Error>>

Reads data from a substream. The behaviour is the same as futures::AsyncRead::poll_read.

fn write_substream(
    &self,
    cx: &mut Context,
    sub: &mut <EitherOutput<A, B> as StreamMuxer>::Substream,
    buf: &[u8]
) -> Poll<Result<usize, <EitherOutput<A, B> as StreamMuxer>::Error>>

Write data to a substream. The behaviour is the same as futures::AsyncWrite::poll_write.

fn flush_substream(
    &self,
    cx: &mut Context,
    sub: &mut <EitherOutput<A, B> as StreamMuxer>::Substream
) -> Poll<Result<(), <EitherOutput<A, B> as StreamMuxer>::Error>>

Flushes a substream. The behaviour is the same as futures::AsyncWrite::poll_flush.

fn shutdown_substream(
    &self,
    cx: &mut Context,
    sub: &mut <EitherOutput<A, B> as StreamMuxer>::Substream
) -> Poll<Result<(), <EitherOutput<A, B> as StreamMuxer>::Error>>

Attempts to shut down the writing side of a substream. The behaviour is similar to AsyncWrite::poll_close.

fn destroy_substream(
    &self,
    substream: <EitherOutput<A, B> as StreamMuxer>::Substream
)

Destroys a substream.

fn is_remote_acknowledged(&self) -> bool

Returns true if the remote has shown any sign of activity after the muxer has been open.

fn close(
    &self,
    cx: &mut Context
) -> Poll<Result<(), <EitherOutput<A, B> as StreamMuxer>::Error>>

Closes this StreamMuxer.

fn flush_all(
    &self,
    cx: &mut Context
) -> Poll<Result<(), <EitherOutput<A, B> as StreamMuxer>::Error>>

Flush this StreamMuxer.

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