std::function
[CPP virtual](https://texonom.com/cpp-virtual-e23b715f692d46bab8164b45ef5229c9) 


std::function은 동적 다형성 기반으로 설계한 함수이다
virtual 사용 유사






> [씹어먹는 C ++ -](https://modoocode.com/254)

### pass argument c++ by wrapper Variadic template structure
> [C++ variadic template with non-type parameters of different types](https://stackoverflow.com/questions/22674347/c-variadic-template-with-non-type-parameters-of-different-types/22675220)






