Remove unused type definitions.

[simgrid.git] / src / s4u / s4u_Netzone.cpp

diff --git a/src/s4u/s4u_Netzone.cpp b/src/s4u/s4u_Netzone.cpp
index cc6071c..0e3443d 100644 (file)
--- a/src/s4u/s4u_Netzone.cpp
+++ b/src/s4u/s4u_Netzone.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2006-2018. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2006-2019. 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. */
@@ -33,13 +33,13 @@ std::unordered_map<std::string, std::string>* NetZone::get_properties()
 }
 
 /** Retrieve the property value (or nullptr if not set) */
-const char* NetZone::get_property(std::string key)
+const char* NetZone::get_property(const std::string& key)
 {
   return properties_.at(key).c_str();
 }
-void NetZone::set_property(std::string key, std::string value)
+void NetZone::set_property(const std::string& key, const std::string& value)
 {
-  simgrid::simix::simcall([this, key, value] { properties_[key] = value; });
+  simgrid::simix::simcall([this, &key, &value] { properties_[key] = value; });
 }
 
 /** @brief Returns the list of direct children (no grand-children) */