EnumerationFoundation5.9.0
Deallocator
When creating a Data with the no-copy initializer, you may specify a Data.Deallocator to customize the behavior of how the backing store is deallocated.
enum DeallocatorCitizens in Foundation
Members
case custom((UnsafeMutableRawPointer, Int) -> Void)A custom deallocator.
case freeUse
free.case noneDo nothing upon deallocation.
case unmapUse
munmap.