Pass std::string parameters by reference too.

[simgrid.git] / examples / s4u / platform-properties / s4u-platform-properties.cpp

diff --git a/examples/s4u/platform-properties/s4u-platform-properties.cpp b/examples/s4u/platform-properties/s4u-platform-properties.cpp
index 836c6dc..fe49596 100644 (file)
--- a/examples/s4u/platform-properties/s4u-platform-properties.cpp
+++ b/examples/s4u/platform-properties/s4u-platform-properties.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2017-2018. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2017-2019. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
@@ -11,7 +11,7 @@
 
 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_test, "Property test");
 
-static void test_host(std::string hostname)
+static void test_host(const std::string& hostname)
 {
   simgrid::s4u::Host* thehost = simgrid::s4u::Host::by_name(hostname);
   std::unordered_map<std::string, std::string>* props = thehost->get_properties();