diff --git a/Include/AuroraInterfaces.hpp b/Include/AuroraInterfaces.hpp
index 653228e..ef62e7b 100644
--- a/Include/AuroraInterfaces.hpp
+++ b/Include/AuroraInterfaces.hpp
@@ -31,13 +31,37 @@
         return name ## Functional(AUI_EXPAND_PARAMS_PARAMS params);     \
     }
     
-#define AUI_METHOD_FUNCTIONAL_FWD(ret, name, params)                    \
-    AuFunction<ret(AUI_EXPAND_PARAMS_TYPES params)> name ## Functional; \
+
+#define AUI_METHOD_PROTOTYPE_TO_FUNCTIONAL(ret, name, params)            \
+    AuFunction<ret(AUI_EXPAND_PARAMS_TYPES params)> name ## Functional 
+
+#define AUI_METHOD_FUNCTIONAL_CTOR_PARAMS_BASE_A(ret, name, params) AUI_METHOD_PROTOTYPE_TO_FUNCTIONAL(ret, name, params)
+#define AUI_METHOD_FUNCTIONAL_CTOR_PARAMS_BASE_B(ret, name, params) , AUI_METHOD_PROTOTYPE_TO_FUNCTIONAL(ret, name, params)
+
+
+#define AUI_METHOD_PROTOTYPE_ASSIGN(ret, name, params)     \
+    name ## Functional(name ## Functional)
+
+#define AUI_METHOD_FUNCTIONAL_ASSIGN_A(ret, name, params) AUI_METHOD_PROTOTYPE_ASSIGN(ret, name, params)
+#define AUI_METHOD_FUNCTIONAL_ASSIGN_B(ret, name, params) , AUI_METHOD_PROTOTYPE_ASSIGN(ret, name, params)
+
+#define AUI_METHOD_FUNCTIONAL_FWD(ret, name, params)       \
+    AUI_METHOD_PROTOTYPE_TO_FUNCTIONAL(ret, name, params); \
     virtual ret name (AUI_EXPAND_PARAMS params) override;
     
 #define AUI_DEFINE_INTERFACE_START_STRUCT(name, ...)           struct name                      { AU_FOR_EACH_3(AUI_METHOD_IMPL, __VA_ARGS__) }; 
-#define AUI_DEFINE_INTERFACE_START_CPP_WRAPPER_FWD(name, ...)  struct name ## Functional : name { AU_FOR_EACH_3(AUI_METHOD_FUNCTIONAL_FWD, __VA_ARGS__) }; 
-#define AUI_DEFINE_INTERFACE_START_CPP_WRAPPER_IMPL(name, ...) struct name ## Functional : name { AU_FOR_EACH_3(AUI_METHOD_FUNCTIONAL_IMPL, __VA_ARGS__) }; 
+#define AUI_DEFINE_INTERFACE_START_FUNCTIONAL_BASE(tmpl, name, ...)  struct name ## Functional : name \
+    {                                                                                                                                                       \
+        inline name ## Functional () {}                                                                                                                     \
+        inline ~name ## Functional () {}                                                                                                                    \
+        inline name ## Functional (AU_FOR_EACH_FIRST_3(AUI_METHOD_FUNCTIONAL_CTOR_PARAMS_BASE_A, AUI_METHOD_FUNCTIONAL_CTOR_PARAMS_BASE_B, __VA_ARGS__)) :  \
+            AU_FOR_EACH_FIRST_3(AUI_METHOD_FUNCTIONAL_ASSIGN_A, AUI_METHOD_FUNCTIONAL_ASSIGN_B, __VA_ARGS__)                                                \
+        {}                                                                                                                                                  \
+        AU_FOR_EACH_3(tmpl, __VA_ARGS__)                                                                                               \
+    };
+
+#define AUI_DEFINE_INTERFACE_START_CPP_WRAPPER_FWD(name, ...) AUI_DEFINE_INTERFACE_START_FUNCTIONAL_BASE(AUI_METHOD_FUNCTIONAL_FWD, name, __VA_ARGS__)
+#define AUI_DEFINE_INTERFACE_START_CPP_WRAPPER_IMPL(name, ...) AUI_DEFINE_INTERFACE_START_FUNCTIONAL_BASE(AUI_METHOD_FUNCTIONAL_IMPL, name, __VA_ARGS__)
 
 #define AUI_PARAMS(...)  AU_BRACKET_SCOPE(__VA_ARGS__) 
 #define AUI_METHODS(...) AU_BRACKET_SCOPE(__VA_ARGS__)