Document Revision History

This table describes the changes to NSNumber Class Reference.

DateNotes
2013-12-16Added the requirement to override the accessor for the type of number your subclass implements.
2008-02-08Clarified the restricted return values that the (NSValue) objCType method returns.
2007-10-31Updated the description of the compare: method.
2007-01-08Corrected definition of boolValue.
 

Yes, this does look out of order, but the publication timeline is correct this way…

2006-12-01Updated to include new API in OS X v10.5.
2006-05-23First publication of this content as a separate document.