class Person
{
    public static enum SPOL { MEN, FEMALE }
    public SPOL spol;

}

Person person = new Person();

// spol je lahko samo MEN ali FEMALE
person.spol = Person.SPOL.MEN;
person.spol = Person.SPOL.FEMALE ;

// in ce potem delaš kje kšn loop in morš vedt al je dec al baba, sam primerjaš