Struct std::io::StderrLock

[+] Show declaration

pub struct StderrLock<'a> { /* fields omitted */ }

[−] Expand description

A locked reference to the Stderr handle.

This handle implements the Write trait and is constructed via the Stderr::lock method.

Trait Implementations

impl<'a> Write for StderrLock<'a>

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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<()>

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Attempts to write an entire buffer into this write.

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

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

Important traits for &'a mut I

impl<'a, I> Iterator for &'a mut I where
    I: Iterator + ?Sized,  type Item = <I as Iterator>::Item;impl<'a, R: Read + ?Sized> Read for &'a mut Rimpl<'a, W: Write + ?Sized> Write for &'a mut W

fn by_ref(&mut self) -> &mut Self where     Self: Sized,

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

impl<'a> Debug for StderrLock<'a>

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

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Formats the value using the given formatter.