Struct tokio::io::Stderr

pub struct Stderr { /* fields omitted */ }

A handle to the standard error stream of a process.

The handle implements the AsyncWrite trait, but beware that concurrent writes to Stderr must be executed with care.

Created by the stderr function.

Trait Implementations

impl Debug for Stderr

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

Formats the value using the given formatter.

impl AsyncWrite for Stderr

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

Attempt to write bytes from buf into the object.

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

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

fn poll_shutdown(
    self: Pin<&mut Stderr>,
    cx: &mut Context
) -> Poll<Result<(), Error>>

Initiates or attempts to shut down this writer, returning success when the I/O connection has completely shut down.

fn poll_write_buf<B>(
    self: Pin<&mut Self>,
    cx: &mut Context,
    buf: &mut B
) -> Poll<Result<usize, Error>> where
    B: Buf, 

Write a Buf into this value, returning how many bytes were written.