i'm a little confused about these two qualifiers... With ARC instead of using weak (i.e. if I need support iOS 4) I can use unsafe_unretained losing the auto-nil features... the final result seems to be similar to assign.

  • Can I exchange unsafe_unretained with assign ?
  • Are these qualifiers the same thing ?

It would be really interesting any link of Apple documentation on this argument... I can find only a few rows here

objective-c ios automatic-ref-counting
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