#include <iostream>
#include <tuple>

namespace ext
{
    namespace detail
    {
        template<typename ...Args, std::size_t ...indicies>
        void print_impl(std::ostream& os, std::tuple<Args...> tuple, std::index_sequence<indicies...>)
        {
            os << '(' << std::get<0>(tuple);
            (os << ... << (os << ", ", std::get<indicies+1>(tuple)));
            os << ')';
        }
    }

    template<typename ...Args>
    void print(std::ostream& os, std::tuple<Args...> tuple)
    {
        detail::print_impl(os, tuple, std::make_index_sequence<sizeof...(Args)-1>());
    }
}


template<typename ...Args>
std::ostream& operator<<(std::ostream &os, std::tuple<Args...> tuple)
{
    ext::detail::print_impl(os, tuple, std::make_index_sequence<sizeof...(Args)-1>());
    return os;
}

int main()
{
    std::cout << "tuple: " << std::make_tuple("Hello World", 10, 10.2) << '\n';
}