Struct Rewind

pub(crate) struct Rewind<T> {
    pub(crate) pre: Option<Bytes>,
    pub(crate) inner: T,
}

Combine a buffer with an IO, rewinding reads to use the buffer.

Fields

pre: Option<Bytes>

inner: T

Trait Implementations

impl<T: Debug> Debug for Rewind<T>

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

Formats the value using the given formatter.

impl<T> Read for Rewind<T>

where T: Read + Unpin,

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

Attempts to read bytes into the buf.

impl<T> Write for Rewind<T>

where T: Write + Unpin,

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

Attempt to write bytes from buf into the destination.

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

Like poll_write, except that it writes from a slice of buffers.

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

Attempts to flush the object.

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

Attempts to shut down this writer.

fn is_write_vectored(&self) -> bool

Returns whether this writer has an efficient poll_write_vectored implementation.