For some enum types, it may be useful to define overloaded operators, such as ++ and –, that can iterate through the enumerator values:
#include using namespace std;enum Days {Mon, Tue, Wed, Thur, Fri, Sat, Sun};Days& operator++(Days& d, int) // int denotes postfix++{ if (d == Sun) return d = Mon; //rollover int temp = d; return d = static_cast (++temp); }int main(){ Days day = Mon; for (;;) //display days as integers { cout<< day <