upd13

examples/tcp_echo_client.v

@@ -2,7 +2,10 @@ import netio
 
 fn main() {
 	// Create new TCP socket.
-	mut socket := netio.Socket.new(netio.af_inet, netio.sock_stream, 0)!
+	mut socket := netio.Socket.new(netio.af_inet, netio.sock_stream, 0) or {
+		eprintln('SOCKET: ${err}')
+		exit(1)
+	}
 
 	// Close socket on exit.
 	defer {