pub struct Stderr { /* fields omitted */ }
A handle to the standard error stream of a process.
For more information, see the io::stderr method.
impl Stderr
[src]
fn lock(&self) -> StderrLockLocks this handle to the standard error stream, returning a writable guard.
The lock is released when the returned lock goes out of scope. The returned guard also implements the Write trait for writing data.
use std::io::{self, Write};
fn foo() -> io::Result<()> {
let stderr = io::stderr();
let mut handle = stderr.lock();
handle.write(b"hello world")?;
Ok(())
} impl Debug for Stderr
fn fmt(&self, f: &mut Formatter) -> ResultFormats the value using the given formatter.
impl Write for Stderr
[src]
fn write(&mut self, buf: &[u8]) -> Result<usize>Write a buffer into this object, returning how many bytes were written. Read more
fn flush(&mut self) -> Result<()>Flush this output stream, ensuring that all intermediately buffered contents reach their destination. Read more
fn write_all(&mut self, buf: &[u8]) -> Result<()>Attempts to write an entire buffer into this write. Read more
fn write_fmt(&mut self, args: Arguments) -> Result<()>Writes a formatted string into this writer, returning any error encountered. Read more
fn by_ref(&mut self) -> &mut Self where Self: SizedCreates a "by reference" adaptor for this instance of Write. Read more
© 2010 The Rust Project Developers
Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/std/io/struct.Stderr.html