#include <iostream>
 
#include <cstddef>
 
template <typename T, std::size_t first, std::size_t ... rest>
struct generate_dimensions
{
	using type = typename generate_dimensions<T, rest...>::type[first];
};
 
template <typename T, std::size_t first>
struct generate_dimensions<T, first>
{
	using type = T[first];
};
 
template <typename T, std::size_t first, std::size_t ... rest>
using generate_dimensions_t = typename generate_dimensions<T, first, rest...>::type;
 
int main() {
	std::cout << sizeof(generate_dimensions_t<char, 2, 3>);
}

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