graphs/cpp/ref_swap/main.cc


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#include <iostream>

#include "ref_swap.hh"

int main()
{
    int a = 3;
    int b = 19;

    std::cout << "Before: a = " << a << ", b = " << b << '\n';
    ref_swap(a, b);
    std::cout << "After: a = " << a << ", b = " << b << '\n';

    std::cout << "Before: a = " << a << ", b = " << b << '\n';
    ptr_swap(&a, &b);
    std::cout << "After: a = " << a << ", b = " << b << '\n';
}