[sonar] Declare functions "const" in src/xbt/.

[simgrid.git] / include / xbt / random.hpp

diff --git a/include/xbt/random.hpp b/include/xbt/random.hpp
index d4c612f..7d4e4ef 100644 (file)
--- a/include/xbt/random.hpp
+++ b/include/xbt/random.hpp
@@ -45,7 +45,7 @@ public:
   /**
    * @brief Write the state of the Mersenne-Twister RNG to a file
    */
-  bool write_state(const std::string& filename);
+  bool write_state(const std::string& filename) const;
 
   /**
    * @brief Draws an integer number uniformly in range [min, max] (min and max included)