Rust TCP echo server

main.rs

use tokio::io::AsyncReadExt;
use tokio::io::AsyncWriteExt;
use tokio::net::TcpListener;
use tokio::net::TcpStream;

const ECHO_SERVER_ADDRESS: &str = "127.0.0.1:1337";

#[tokio::main]
async fn main(){
    let tcp_listner = TcpListener::bind(ECHO_SERVER_ADDRESS).await.unwrap();

    loop {
        let (socket, _) = tcp_listner.accept().await.unwrap();
        tokio::spawn(async move {
            handle_stream(socket).await;
        });
    }


}

async fn handle_stream(mut stream: TcpStream){
    println!("Connected by {}", stream.peer_addr().unwrap());
    let mut buffer = [0u8; 1024];
    while match stream.read(&mut buffer).await {
        Ok(size) => {
            println!("Received: {}", String::from_utf8_lossy(&buffer[..size]));
            let _ = stream.write(&buffer[..size]).await.unwrap();
            true
        }
        Err(e) => {
            println!("Error: {}", e);
            false
        }
    } {}
}

Tokio runtime