X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/8a0e2b82a1c0981a84e67f1bb4afb6e16fbf8c3a..6bf993decaa5c52cf75ac9d187cdaaed4ec95614:/src/surf/PropertyHolder.cpp

diff --git a/src/surf/PropertyHolder.cpp b/src/surf/PropertyHolder.cpp
index 853bcb5522..39be42b685 100644
--- a/src/surf/PropertyHolder.cpp
+++ b/src/surf/PropertyHolder.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2015-2018. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2015-2019. 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. */
@@ -13,7 +13,7 @@ PropertyHolder::~PropertyHolder() {
 }
 
 /** @brief Return the property associated to the provided key (or nullptr if not existing) */
-const char* PropertyHolder::get_property(std::string key)
+const char* PropertyHolder::get_property(const std::string& key)
 {
   if (properties_ == nullptr)
     return nullptr;
@@ -22,7 +22,7 @@ const char* PropertyHolder::get_property(std::string key)
 }
 
 /** @brief Change the value of a given key in the property set */
-void PropertyHolder::set_property(std::string key, std::string value)
+void PropertyHolder::set_property(const std::string& key, const std::string& value)
 {
   if (not properties_)
     properties_ = new std::unordered_map<std::string, std::string>;