Rust TCP to STDOUT server

tcp-server.rs

use std::io;
use std::net::{TcpListener, TcpStream};

fn handle_client(mut stream: TcpStream) {
    let sout = io::stdout();
    let mut sout_handle = sout.lock();
    io::copy(&mut stream, &mut sout_handle).expect("failed to copy into stdout");
}

fn main() -> io::Result<()> {
    let listener = TcpListener::bind("127.0.0.1:8000")?;

    for stream in listener.incoming() {
        // It's a single connection server :)
        // Ok, we could spawn a thread here but
        // stdout is blocked anyways (see handle_client).
        handle_client(stream.expect("failed to unwrap stream"));
    }
    Ok(())
}