fix detach

example/layers/ui_layer_double/ui_layer_double.cpp

@@ -27,6 +27,8 @@ namespace example
     VE_PUSH_FONT(REGULAR, 20);
     if (ImGui::Button("Test signal_double", ImVec2(128, 130))) 
       VE::EMIT(test_event::TEST_EVEN, std::string("test event message ui_layer_double"));
+
+    if (ImGui::Button("Test on_detach", ImVec2(128, 130))) on_detach();
     VE_POP_FONT();
 
     ImGui::End();

src/event/event_manager.hpp

@@ -26,17 +26,15 @@ namespace VE
       event_handler handler;
       handler.m_func = std::bind(method, obj, std::placeholders::_1);
       handler.m_obj = obj;
-      handler.m_func_ptr = reinterpret_cast<void*>(&method);
       m_funcs.push_back(handler);
     }
     
     template<typename T>
     void disconnect(T* obj, void (T::*method)(event)) 
     {
-      auto func_ptr = reinterpret_cast<void*>(&method);
       m_funcs.erase(std::remove_if(m_funcs.begin(), m_funcs.end(),
-        [obj, func_ptr](const event_handler& handler) {
-          return handler.m_obj == obj && handler.m_func_ptr == func_ptr;
+        [obj](const event_handler& handler) {
+          return handler.m_obj == obj;
         }),
         m_funcs.end()
       );