When might you use a cfarray/dictionary instead of a nsarray/dictionary?
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Answer / Daya Shankar Dwivedi
You might use Core Foundation (cf) arrays and dictionaries when working with C APIs that don't have direct Objective-C equivalents or when dealing with C libraries. It is also possible to bridge Core Foundation objects with Objective-C objects, but using NSArray and NSDictionary directly may provide better integration with other Objective-C frameworks.
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