pub unsafe static kCFCopyStringDictionaryKeyCallBacks: CFDictionaryKeyCallBacksAvailable on crate features
CFDictionary and CFBase only.Expand description
Predefined CFDictionaryKeyCallBacks structure containing a set of callbacks appropriate for use when the keys of a CFDictionary are all CFStrings, which may be mutable and need to be copied in order to serve as constant keys for the values in the dictionary.
See also Apple’s documentation