Make app middlewares not require specific instances of app
diff --git a/src/udpclient.cpp b/src/udpclient.cpp
index 772739b..cf9f3d1 100644
--- a/src/udpclient.cpp
+++ b/src/udpclient.cpp
@@ -85,7 +85,7 @@
     udp::endpoint sender_endpoint;
     size_t len =
         socket.receive_from(boost::asio::buffer(recv_buf), sender_endpoint);
-
+    std::cout << len;
     for (auto character : recv_buf) {
       std::cout << std::hex << static_cast<unsigned>(character) << " ";
     }