Type Alias


Callback function used to provide a description of the program-defined information pointer.


typealias CFTreeCopyDescriptionCallBack = (UnsafeRawPointer?) -> Unmanaged<CFString>?



The program-supplied information pointer provided in a CFTreeContext structure.

Return Value

A textual description of info. The caller is responsible for releasing this object.

See Also


typealias CFTreeApplierFunction

Type of the callback function used by the CFTree apply function.

typealias CFTreeReleaseCallBack

Callback function used to release a previously retained program-defined information pointer.

typealias CFTreeRetainCallBack

Callback function used to retain a program-defined information pointer.

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