[sonar] Const for pointer and reference parameters (slight return).

[simgrid.git] / examples / s4u / engine-filtering / s4u-engine-filtering.cpp

diff --git a/examples/s4u/engine-filtering/s4u-engine-filtering.cpp b/examples/s4u/engine-filtering/s4u-engine-filtering.cpp
index b240d22..d34e21f 100644 (file)
--- a/examples/s4u/engine-filtering/s4u-engine-filtering.cpp
+++ b/examples/s4u/engine-filtering/s4u-engine-filtering.cpp
@@ -39,7 +39,7 @@ class FrequencyChanged {
   std::map<simgrid::s4u::Host*, int> host_list;
 
 public:
-  explicit FrequencyChanged(simgrid::s4u::Engine& e)
+  explicit FrequencyChanged(const simgrid::s4u::Engine& e)
   {
     std::vector<simgrid::s4u::Host*> list = e.get_all_hosts();
     for (auto& host : list) {