Package org.eclipse.epsilon.eol.types
Class EolUndefined
- java.lang.Object
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- org.eclipse.epsilon.eol.types.EolAny
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- org.eclipse.epsilon.eol.types.EolUndefined
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- All Implemented Interfaces:
IUndefined
public final class EolUndefined extends EolAny implements IUndefined
Representsnull
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
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Field Summary
Fields Modifier and Type Field Description static EolUndefined
INSTANCE
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
isDefined()
boolean
isUndefined()
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Field Detail
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INSTANCE
public static final EolUndefined INSTANCE
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