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Last active December 31, 2015 17:18
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nonatomic vs. atomic copy vs. strong(retain) vs. assign
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property.md

nonatomic vs. atomic

  • Use nonatomic

copy vs. strong(retain) vs. assign

  • copy: Mutable系のサブクラスがあるNSObject
  • strong(retain): Mutable系のサブクラスがないNSObject
  • assign: NSObjectでないC由来のプロパティ
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