Returns the class description for a given class.
- macOS 10.0+
The class for which to return a class description. See note below for important details.
The class description for
nil if a class description cannot be found.
If a class description for
a is not found, the method posts an NSClassDescriptionNeededForClassNotification on behalf of
a, allowing an observer to register a class description. The method then checks for a class description again. Returns
nil if a class description is still not found.
If you have an instance of the receiver’s class, you can use the
NSObject instance method