#include <iostream>
#include <tuple>
#include <utility>

template<std::size_t ... Is, typename Tuple>
void print_helper(std::ostream& s, const Tuple& t, std::index_sequence<Is...>)
{
    int dummy[] = { 0, ((s << std::get<Is>(t) << ", "), 0)...};
    (void) dummy; // remove warning for unused var
}


template<typename Tuple>
void print(std::ostream& s, const Tuple& t)
{
    print_helper(s, t, std::make_index_sequence<std::tuple_size<Tuple>::value>());
}

int main()
{
	print(std::cout, std::make_tuple("hello ", '*', 42));
}