CPObjectCPNull
@implementation CPNull : CPObject
This class is used as an object representation of nil
. This is handy when a collection
only accepts objects as values, but you would like a nil
representation in there.
Method Summary | |
---|---|
+(CPNull) | null Returns the singleton instance of the CPNull
object. |
Method Detail |
---|
+(CPNull)null
CPNull
object. While CPNull
and nil
should
be interpreted as the same, they are not equal ('==').Created on Sat Sep 13 14:15:43 PDT 2008