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Using an anonymous union

#include <iostream> using std::cout; using std::endl; int main() {    union                                                            {                                                                   int integer1;                                                    double double1;                                                  char *charPtr;                                                };    integer1 = 2;    cout << integer1 << endl;    double1 = 4.4;    cout << double1 << endl;    charPtr = "union";    cout << charPtr << endl;    return 0; } 2 4.4 union