#include <iostream>
#include <tuple>

int main()
{
  auto t1 = std::make_tuple(42, '*');
  auto t2 = std::make_tuple(23, false);

  auto t3 = std::tuple_cat(t1, t2);
  
  std::cout << std::get<0>(t3) << " " << std::get<1>(t3) << ", "
            << std::get<2>(t3) << " " << std::get<3>(t3) << '\n'; 
}