Function std::io::stderr

pub fn stderr() -> Stderr

Constructs a new handle to the standard error of the current process.

This handle is not buffered.

Examples

Using implicit synchronization:

use std::io::{self, Write};

io::stderr().write(b"hello world")?;

Using explicit synchronization:

use std::io::{self, Write};

let stderr = io::stderr();
let mut handle = stderr.lock();

handle.write(b"hello world")?;