Class: CFSetCallBacks
Overview
This structure contains the callbacks used to retain, release, describe, and compare the values of a CFSet object.
Instance Attribute Summary (collapse)
-
- copyDescription
The callback used to create a descriptive string representation of each value in the collection.
-
- equal
The callback used to compare values in the collection for equality for some operations.
-
- hash
The callback used to compute a hash code for values in a collection.
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- release
The callback used to release values as they are removed from the collection.
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- retain
The callback used to retain each value as they are added to the collection.
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- version
The version number of this structure.
Method Summary
Methods inherited from Boxed
Methods inherited from NSObject
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Constructor Details
This class inherits a constructor from NSObject
Dynamic Method Handling
This class handles dynamic methods through the method_missing method in the class NSObject
Instance Attribute Details
- (CFSetCopyDescriptionCallBack) copyDescription
The callback used to create a descriptive string representation of each value in the collection. If NULL, the collection will create a simple description of each value. See CFSetCopyDescriptionCallBack for a description of this callback.
- (CFSetEqualCallBack) equal
The callback used to compare values in the collection for equality for some operations. If NULL, the collection will use pointer equality to compare values in the collection. See CFSetEqualCallBack for a description of this callback.
- (CFSetHashCallBack) hash
The callback used to compute a hash code for values in a collection. If NULL, the collection computes a hash code by converting the pointer value to an integer. See CFSetHashCallBack for a description of this callback.
- (CFSetReleaseCallBack) release
The callback used to release values as they are removed from the collection. If NULL, values are not released. See CFSetReleaseCallBack for a description of this callback.
- (CFSetRetainCallBack) retain
The callback used to retain each value as they are added to the collection. If NULL, values are not retained. See CFSetRetainCallBack for a descriptions of this function’s parameters.
- (CFIndex) version
The version number of this structure. If not one of the defined version numbers for this opaque type, the behavior is undefined. The current version of this structure is 0.