gistfile1.txt

#include <iostream>
#include "continuation.hpp"

void amb1_f(continuation& cont)
{
    cont.suspend(1);
    cont.suspend(2);
    cont.suspend_break(3);
}

void amb2_f(continuation& cont)
{
    cont.suspend(4);
    cont.suspend_break(5);
}

int main()
{
    continuation amb1(amb1_f);
    continuation amb2(amb2_f);

    int x = amb1.resume();
    int y = amb2.resume();

    while (true) {
        std::cout << x << "," << y << std::endl;

        if (amb2.is_complete()) {
            if (amb1.is_complete()) {
                break;
            }
            x = amb1.resume();
            y = amb2.restart();
        } else {
            y = amb2.resume();
        }
    }
}

/*
output:
1,4
1,5
2,4
2,5
3,4
3,5
*/