fn poll_read()

in core/src/raw/oio/read/api.rs [93:110]

• 11 lines of code
• 4 McCabe index (conditional complexity)

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

    /// Seek asynchronously.
    ///
    /// Returns `Unsupported` error if underlying reader doesn't support seek.
    fn poll_seek(&mut self, cx: &mut Context<'_>, pos: io::SeekFrom) -> Poll<Result<u64>>;

    /// Stream [`Bytes`] from underlying reader.
    ///
    /// Returns `Unsupported` error if underlying reader doesn't support stream.
    ///
    /// This API exists for avoiding bytes copying inside async runtime.
    /// Users can poll bytes from underlying reader and decide when to
    /// read/consume them.
    fn poll_next(&mut self, cx: &mut Context<'_>) -> Poll<Option<Result<Bytes>>>;
}

impl Read for () {