Constify.

[simgrid.git] / include / simgrid / kernel / resource / Action.hpp

diff --git a/include/simgrid/kernel/resource/Action.hpp b/include/simgrid/kernel/resource/Action.hpp
index 6ce0e7c..0acd6b5 100644 (file)
--- a/include/simgrid/kernel/resource/Action.hpp
+++ b/include/simgrid/kernel/resource/Action.hpp
@@ -180,7 +180,7 @@ public:
   virtual void set_max_duration(double duration);
 
   /** @brief Get the tracing category associated to the current action */
-  std::string get_category() const { return category_; }
+  const std::string& get_category() const { return category_; }
   /** @brief Set the tracing category of the current Action */
   void set_category(std::string category) { category_ = std::move(category); }