The UnitEnum interface UnitEnum
&reftitle.intro; The UnitEnum interface is automatically applied to all enumerations by the engine. It may not be implemented by user-defined classes. Enumerations may not override its methods, as default implementations are provided by the engine. It is available only for type checks.
&reftitle.interfacesynopsis; UnitEnum &Methods;
&language.predefined.unitenum.cases;