Objective-C ARC: strong vs retain and weak vs assign
被无数人写过的assign，retain，strong，weak，unsafe_unretained，还有copy
Objective C - Assign, Copy, Retain
What is the difference between strong, retain, nonatomic, etc., in the Objective-C (iOS) property?
Objective-C ARC: strong vs retain and weak vs assign
被无数人写过的assign，retain，strong，weak，unsafe_unretained，还有copy
Objective C - Assign, Copy, Retain
What is the difference between strong, retain, nonatomic, etc., in the Objective-C (iOS) property?
Objective-C ARC: strong vs retain and weak vs assign 被无数人...
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本文标题：Objective C - Assign, Copy, Reta
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