Introduction to Numbers and Other Values Important: This is a preliminary document for an API or technology in development. Although this document has been reviewed for technical accuracy, it is not final. This Apple confidential information is for use only by registered members of the applicable Apple Developer program. Apple is supplying this confidential information to help you plan for the adoption of the technologies and programming interfaces described herein. This information is subject to change, and software implemented according to this document should be tested with final operating system software and final documentation. Newer versions of this document may be provided with future seeds of the API or technology.
This topic describes object wrappers for primitive C data types, which are implemented by
NSValue and its subclasses
NSDecimalNumber, and the
NSNull instance used to represent a null value.
Organization of This Document
This document contains the following articles:
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