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;