1 #include <tuple>
2 #include <string>
3 
main()4 int main() {
5   std::tuple<> empty;
6   std::tuple<int> one_elt{47};
7   std::tuple<int, long, std::string> three_elts{1, 47l, "foo"};
8   return 0; // break here
9 }
10