CFAllocatorCopyDescriptionCallBack
A prototype for a function callback that provides a description of the specified data.
Declaration
typealias CFAllocatorCopyDescriptionCallBack = (UnsafeRawPointer?) -> Unmanaged<CFString>?Parameters
- info:
An untyped pointer to program-defined data.
Return Value
A CFString object that describes the allocator. The caller is responsible for releasing this object.
Discussion
A prototype for a function callback that provides a description of the data pointed to by the info field. In implementing this function, return a reference to a CFString object that describes your allocator, particularly some characteristics of your program-defined data.