Type Method

copyWithZone:

Returns the receiver.

Declaration

+ (id)copyWithZone:(struct _NSZone *)zone;

Parameters

zone

This argument is ignored.

Return Value

The receiver.

Discussion

This method exists so class objects can be used in situations where you need an object that conforms to the NSCopying protocol. For example, this method lets you use a class object as a key to an NSDictionary object. You should not override this method.

See Also

Creating, Copying, and Deallocating Objects

+ alloc

Returns a new instance of the receiving class.

+ allocWithZone:

Returns a new instance of the receiving class.

- init

Implemented by subclasses to initialize a new object (the receiver) immediately after memory for it has been allocated.

- copy

Returns the object returned by copyWithZone:.

- mutableCopy

Returns the object returned by mutableCopyWithZone: where the zone is nil.

+ mutableCopyWithZone:

Returns the receiver.

- dealloc

Deallocates the memory occupied by the receiver.

+ new

Allocates a new instance of the receiving class, sends it an init message, and returns the initialized object.

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