rust udp echo server

main.rs

use std::{error::Error, net::UdpSocket, str::from_utf8};

fn main() -> std::io::Result<()> {
    let socket = UdpSocket::bind("[::]:2000")?;
    let mut buf = [0; 65507];

    loop {
        let (read, from) = socket.recv_from(&mut buf)?;
        println!("Received {} bytes from {}", read, from);
        socket.send_to(&buf[..read], from)?;
    }
    Ok(())
}