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

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

ⓘImportant traits for Stdin

### Important traits for Stdin

`impl Read for Stdin`

    pub fn stdin() -> Stdin

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

Each handle returned is a reference to a shared global buffer whose access is synchronized via a mutex. If you need more explicit control over locking, see the `Stdin::lock` method.

### Note: Windows Portability Consideration

When operating in a console, the Windows implementation of this stream does not support non-UTF-8 byte sequences. Attempting to read bytes that are not valid UTF-8 will return an error.

# Examples

Using implicit synchronization:

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

    fn main() -> io::Result<()> {
        let mut buffer = String::new();
        io::stdin().read_to_string(&mut buffer)?;
        Ok(())
    }Run

Using explicit synchronization:

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

    fn main() -> io::Result<()> {
        let mut buffer = String::new();
        let stdin = io::stdin();
        let mut handle = stdin.lock();

        handle.read_to_string(&mut buffer)?;
        Ok(())
    }Run