foo.cpp

	template<typename ... CONSTRUCTOR_PARAMETER_TYPES>
	static void v8_constructor(const v8::FunctionCallbackInfo<v8::Value>& args) {
		
		T * new_cpp_object = call_cpp_constructor<CONSTRUCTOR_PARAMETER_TYPES...>(args, std::index_sequence_for<CONSTRUCTOR_PARAMETER_TYPES...>());
		// other stuff in here removed
	}

	template <typename ...Fs, size_t...ns, class WHY> 
	static T * call_cpp_constructor(const WHY & args, std::index_sequence<ns...>){
		return new T(CastToNative<Fs>()(args[ns])...);
	}