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.