Function std::io::stderr 1.0.0
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ⓘImportant traits for 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")?; Run
Using explicit synchronization:
use std::io::{self, Write}; let stderr = io::stderr(); let mut handle = stderr.lock(); handle.write(b"hello world")?; Run