Enumeration Enum

enum week { Mon = 1, Tues, Wed, Thurs, Fri, Sat, Sun };

define enum variable

enum week a, b, c;
enum week { Mon = 1, Tues, Wed, Thurs, Fri, Sat, Sun } a, b, c;

With an enumeration variable, you can assign the value in the list to it

enum week { Mon = 1, Tues, Wed, Thurs, Fri, Sat, Sun };
enum week a = Mon, b = Wed, c = Sat;
// or
enum week{ Mon = 1, Tues, Wed, Thurs, Fri, Sat, Sun } a = Mon, b = Wed, c = Sat;