some rename test (not tested in productions)

pair.cpp

#include <iostream>

struct point2d : public std::pair<int, int>
{
    int& x() { return first; }
    int& y() { return second; }

    template <typename ... Args>
    point2d(Args&& ... args) : pair<int, int>(std::forward<Args>(args)...) {}
};

struct point3d : public std::tuple<int, int, int>
{
    int& x() { return std::get<0>(*this); }
    int& y() { return std::get<1>(*this); }
    int& z() { return std::get<2>(*this); }

    template <typename ... Args>
    point3d(Args&& ... args) : tuple<int, int, int>(std::forward<Args>(args)...) {}
};

int main()
{
    point2d p1{1, 2};
    point2d p2(2, 3);

    point3d q1{5, 4, 3};
    point3d q2(6, 5, 4);

    std::cout << sizeof(point2d) << " " << (p1 < p2) << "\n";
    std::cout << sizeof(point3d) << " " << (q1 < q2) << "\n";
}