CFMutableBag
Declaration
class CFMutableBagOverview
CFMutableBag manages dynamic bags. The basic interface for managing bags is provided by CFBag. CFMutableBag adds functions to modify the contents of a bag.
You create a mutable bag object using either the CFBagCreateMutable(_:_:_:) or CFBagCreateMutableCopy(_:_:_:) function.
CFMutableBag provides several functions for adding and removing values from a bag. The CFBagAddValue(_:_:) function adds a value to a bag and CFBagRemoveValue(_:_:) removes values from a bag.