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NSNull class reference

Authors

Richard Frith-Macdonald (rfm@gnu.org)

Version: 37003

Date: 2013-08-22 09:44:54 -0600 (Thu, 22 Aug 2013)

Copyright: (C) 2000 Free Software Foundation, Inc.

Software documentation for the NSNull class

NSNull : NSObject

Declared in:
Foundation/NSNull.h
Conforms to:
NSCoding
NSCopying
Availability: MacOS-X 10.0.0

An object to use as a placeholder - in collections for instance.
Method summary

null 

+ (NSNull*) null;
Availability: MacOS-X 10.0.0

Return an object that can be used as a placeholder in a collection. This method always returns the same object.

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