Package org.eclipse.epsilon.eol.types

Class EolUndefined

java.lang.Object

org.eclipse.epsilon.eol.types.EolAny

org.eclipse.epsilon.eol.types.EolUndefined

All Implemented Interfaces:

IUndefined

public final class EolUndefined
extends EolAny
implements IUndefined

Represents null which can be used by the engine to represent the absence of a variable, useful for the isDefined() operation.

Since:

1.6

Author:

Sina Madani

Field Summary

Fields

Modifier and Type	Field	Description
static final EolUndefined	INSTANCE

Method Summary

Modifier and Type	Method	Description
boolean	isDefined()
boolean	isUndefined()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

INSTANCE

public static final EolUndefined INSTANCE

Method Details

isDefined

public boolean isDefined()

isUndefined

public boolean isUndefined()