CFAllocatorRetainCallBack
A prototype for a function callback that retains the given data.
Declaration
typealias CFAllocatorRetainCallBack = (UnsafeRawPointer?) -> UnsafeRawPointer?Parameters
- info:
The data to be retained.
Discussion
A prototype for a function callback that retains the data pointed to by the info field. In implementing this function, retain the data you have defined for the allocator context in this field. (This might make sense only if the data is a Core Foundation object.)