CFArrayRetainCallBack
Prototype of a callback function used to retain a value being added to an array.
Declaration
typealias CFArrayRetainCallBack = (CFAllocator?, UnsafeRawPointer?) -> UnsafeRawPointer?Parameters
- allocator:
The array’s allocator.
- value:
The value being added to an array.
Return Value
The value to store in an array, which is usually the value parameter passed to this callback, but may be a different value if a different value should be stored in an array.
Discussion
This callback is passed to CFArrayCreate(_:_:_:_:) in a CFArrayCallBacks structure.