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let addr = "127.0.0.1:6667".parse().unwrap(); + let listener = TcpListener::bind(&addr) + .expect("unable to bind TCP listener"); + + let server = listener.incoming() + .map_err(|e| eprintln!("accept failed = {:?}", e)) + .for_each(|sock| { + // Split up the reading and writing parts of the + // socket. + let (reader, writer) = sock.split(); + + // A future that echos the data and returns how + // many bytes were copied... + let bytes_copied = copy(reader, writer); + + // ... after which we'll print what happened. + let handle_conn = bytes_copied.map(|amt| { + println!("wrote {:?} bytes", amt) + }).map_err(|err| { + eprintln!("IO error {:?}", err) + }); + + // Spawn the future as a concurrent task. + tokio::spawn(handle_conn) + }); + + tokio::run(server); }