std::io::stderr - Rust
Description: API documentation for the Rust `stderr` fn in crate `std`.
Keywords: rust, rustlang, rust-lang, stderr

# Function std::io::stderr 1.0.0 [−] [src]

ⓘImportant traits for Stderr

### Important traits for Stderr

`impl Write 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

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