variadic_zip.hpp

#include <iostream>
#include <array>
#include <tuple>

template<size_t N, typename...T, template<typename, size_t = N> typename...Ts>
constexpr auto zip(Ts<T> const&...args) {
  using Tp = std::tuple<T...>;
  
  std::array<Tp, N> result;
  
  for(size_t i = 0; i < result.size(); i++) {
    result[i] = std::make_tuple(args[i]...);
  }
  
  return result;
}


int main(int argc, char **argv) {
  std::array<int, 3> x1 { 1, 2, 3 };
  std::array<int, 3> x2 { 0, 0, 0 };
  std::array<float, 3> f1 { 1.1, 2.2, 3.3 };
  std::cout << std::get<2>(zip(x1, x2, f1)[0]) << std::endl;
}