add disconect log

src/event/event_manager.hpp

@@ -61,6 +61,7 @@ namespace VE
         std::bind(method, obj, std::placeholders::_1),
         static_cast<void*>(obj)
       });
+      hack::warn()("connect (size)", m_funcs.size());
     }
 
     template<typename T>
@@ -73,6 +74,7 @@ namespace VE
           }),
         m_funcs.end()
       );
+      hack::warn()("disconnect (size)", m_funcs.size());
     }
   };
 }