GNU Smalltalk Library Reference: UndefinedObject

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1.201 UndefinedObject

Defined in namespace Smalltalk
Superclass: Object
Category: Language-Implementation: I have the questionable distinction of being a class with only one instance, which is the object "nil".

• UndefinedObject-basic: (instance)

• UndefinedObject-class creation - alternative: (instance)

• UndefinedObject-class polymorphism: (instance)

• UndefinedObject-CObject interoperability: (instance)

• UndefinedObject-dependents access: (instance)

• UndefinedObject-iteration: (instance)

• UndefinedObject-printing: (instance)

• UndefinedObject-still unclassified: (instance)

• UndefinedObject-storing: (instance)

• UndefinedObject-testing: (instance)