...>::_Tuple_impl(_UHead&&, _UTail&& ...) [with _UHead = std::vector<short unsigned int> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&}; <template-parameter-2-3> = void; long unsigned int _Idx = 0; _Head = std::vector<short unsigned int>&; _UTail =