print tuple

#include <iostream>
#include <vector>
#include <iterator>
#include <tuple>

using test_tuple_type = std::tuple<int, int, std::string>;

std::ostream& operator<<(std::ostream& out, const test_tuple_type& value)
{
    out << std::get<2>(value) << ',' << std::get<0>(value) << ',' << std::get<1>(value);
    return out;
}

template <typename TCont>
void print(const TCont& s, std::string delim = " ")
{
    std::copy(s.begin(), s.end(), std::ostream_iterator<typename TCont::value_type>(std::cout, delim.c_str()));
    std::cout << std::endl;
}

int main()
{
    std::vector<test_tuple_type> v = {
        {1, 2, "hop"},
        {3, 4, "hey"},
        {5, 6, "la-la-ley"},
    };

    print(v);
}