Make constructor 'explicit'.

diff --git a/src/kernel/activity/CommImpl.hpp b/src/kernel/activity/CommImpl.hpp
index e9485d6..39668cb 100644 (file)
--- a/src/kernel/activity/CommImpl.hpp
+++ b/src/kernel/activity/CommImpl.hpp
@@ -28,7 +28,7 @@ class XBT_PUBLIC CommImpl : public ActivityImpl_T<CommImpl> {
 public:
   enum class Type { SEND, RECEIVE };
 
-  CommImpl(Type type) : type_(type) {}
+  explicit CommImpl(Type type) : type_(type) {}
   CommImpl(s4u::Host* from, s4u::Host* to, double bytes);
 
   CommImpl& set_size(double size);