Sets the superclass of a given class.
SDKs
- iOS 2.0–2.0Deprecated
- macOS 10.5–10.5Deprecated
- Mac Catalyst 13.0–13.0Deprecated
- tvOS 9.0–9.0Deprecated
- watchOS 2.0–2.0Deprecated
Framework
- Objective-C Runtime
Functionclass
class
See Also
Working with Classes
func classReturns the name of a class.
func classReturns the superclass of a class.
func classReturns a Boolean value that indicates whether a class object is a metaclass.
func classReturns the size of instances of a class.
func classReturns the Ivar for a specified instance variable of a given class.
func classReturns the Ivar for a specified class variable of a given class.
func classAdds a new instance variable to a class.
func classDescribes the instance variables declared by a class.
func classReturns a description of the Ivar layout for a given class.
func classSets the Ivar layout for a given class.
func classReturns a description of the layout of weak Ivars for a given class.
func classSets the layout for weak Ivars for a given class.
func classReturns a property with a given name of a given class.
func classDescribes the properties declared by a class.
func classAdds a new method to a class with a given name and implementation.
func classReturns a specified instance method for a given class.
func classReturns a pointer to the data structure describing a given class method for a given class.
func classDescribes the instance methods implemented by a class.
func classReplaces the implementation of a method for a given class.
func classReturns the function pointer that would be called if a particular message were sent to an instance of a class.
func classReturns the function pointer that would be called if a particular message were sent to an instance of a class.
func classReturns a Boolean value that indicates whether instances of a class respond to a particular selector.
func classAdds a protocol to a class.
func classReplace a property of a class.
func classReturns a Boolean value that indicates whether a class conforms to a given protocol.
func classDescribes the protocols adopted by a class.
func classReturns the version number of a class definition.
func classSets the version number of a class definition.
Beta Software
This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.
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