c++ template get nth element type from variadic arguments

get_nth_variadic_elem_no_tuple.cpp

template <std::size_t N, typename T, typename... types>
struct GetNthArgType {
    using type = typename GetNthArgType<N - 1, types...>::type;
};

template <typename T, typename... types>
struct GetNthArgType<0, T, types...> {
    using type = T;
};

template <typename... Args>
using Get1stArgType_t = typename GetNthArgType<0, Args...>::type;

typename get_Nth_type<0, Args...>::type x;