Union, Example: 1

#include <iostream>
#include <stdlib.h>

using namespace std;

int main()
{

    union Pill
    {
        bool red_pill;  //Pointer----|
        bool blue_pill; //Pointer--------[Memory-Address]
        bool green_pill;//Pointer----|
    };

    Pill pill_object;

    pill_object.red_pill = true;

    if(pill_object.red_pill)
    {
        cout << "You survived." << endl;
    }
    else
    {
        cout << "You died." << endl;
    }

}