Struct tokio_fs::Stderr

[+] Show declaration

pub struct Stderr { /* fields omitted */ }

[−] Expand description

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

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

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Formats the value using the given formatter.

impl Write for Stderr

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fn write(&mut self, buf: &[u8]) -> Result<usize>

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Write a buffer into this object, returning how many bytes were written.

fn flush(&mut self) -> Result<()>

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Flush this output stream, ensuring that all intermediately buffered contents reach their destination.

fn write_all(&mut self, buf: &[u8]) -> Result<(), Error>

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Attempts to write an entire buffer into this write.

fn write_fmt(&mut self, fmt: Arguments) -> Result<(), Error>

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Writes a formatted string into this writer, returning any error encountered.

fn by_ref(&mut self) -> &mut Self

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Creates a "by reference" adaptor for this instance of Write.

impl AsyncWrite for Stderr

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fn shutdown(&mut self) -> Poll<(), Error>

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

fn poll_write(&mut self, buf: &[u8]) -> Result<Async<usize>, Error>

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Attempt to write bytes from buf into the object.

fn poll_flush(&mut self) -> Result<Async<()>, Error>

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

fn write_buf<B>(&mut self, buf: &mut B) -> Result<Async<usize>, Error> where     B: Buf,

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