#include <iomanip>
#include <iostream>
#include <utility>

int main()
{
    const size_t GAP = 12;

    std::cout << std::boolalpha;

    int x = -3;         // (1)
    unsigned int y = 7; // (2)

    // un/safely compare signed and unsigned integers
    {
        std::cout << std::setw(GAP) << ' ' << std::setw(GAP) << "operators"
                  << std::setw(GAP) << "std::cmp_*" << '\n';
        std::cout << std::setw(GAP) << "-3 == 7" << std::setw(GAP)
                  << (x == y) << std::setw(GAP) << std::cmp_equal(x, y)
                  << '\n';
        std::cout << std::setw(GAP) << "-3 != 7" << std::setw(GAP)
                  << (x != y) << std::setw(GAP) << std::cmp_not_equal(x, y)
                  << '\n';
        std::cout << std::setw(GAP) << "-3 <  7" << std::setw(GAP)
                  << (x < y) << std::setw(GAP) << std::cmp_less(x, y)
                  << '\n';
        std::cout << std::setw(GAP) << "-3 <= 7" << std::setw(GAP)
                  << (x <= y) << std::setw(GAP)
                  << std::cmp_less_equal(x, y) << '\n';

        std::cout << std::setw(GAP) << "-3 >  7" << std::setw(GAP)
                  << (x > y) << std::setw(GAP) << std::cmp_greater(x, y)
                  << '\n';
        std::cout << std::setw(GAP) << "-3 >= 7" << std::setw(GAP)
                  << (x >= y) << std::setw(GAP)
                  << std::cmp_greater_equal(x, y) << '\n';
    }
}