Type Alias CFBag Applier Function
Prototype of a callback function that may be applied to every value in a bag.
iOS 2.0+ macOS 10.0+ Mac Catalyst 13.0+ Beta tvOS 9.0+ watchOS 2.0+ Declaration typedef void (* CFBagApplierFunction)( const void *value, void *context);
The current value in a bag.
The program-defined context parameter given to the apply function.
This callback is passed to the
function which iterates over the values in a bag and applies the behavior defined in the applier function to each value in a bag. CFBag Apply Function See Also Callbacks CFBag Equal Call Back
Prototype of a callback function used to determine if two values in a bag are equal.
CFBag Hash Call Back
Prototype of a callback function invoked to compute a hash code for a value. Hash codes are used when values are accessed, added, or removed from a collection.
CFBag Release Call Back
Prototype of a callback function used to release a value before it’s removed from a bag.
CFBag Retain Call Back
Prototype of a callback function used to retain a value being added to a bag.
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