I’d like to know when to use copy, retain or assign when declaring a property.
Also, why is nonatomic used when declaring a property?
I’d like to know when to use copy , retain or assign when declaring
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I’d like to know when to use copy, retain or assign when declaring a property.
Also, why is nonatomic used when declaring a property?
Have you read the Memory Management Guide? The answers are all in there.
This may sound like a flippant response; but the answers are in the docs. The answers you get here will just be a summary of the documentation, and you will lose the pleasure of learning about memory management for yourself, and you will get vital practice in reading Apple Documentation which will help you as your learning progresses.