I do see many threads discussing their differences in ARC. Can anyone explain to me the differences under non-ARC environment? Thanks
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`strong` and `retain` are synonyms. – rmaddy Nov 11 '16 at 21:28
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Curious - why are you coding in MRC? – rmaddy Nov 11 '16 at 21:28
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@rmaddy these two questions are not entirely same. The point I was addressing is if strong and retain are the same in non-ARC. – yvetterowe Nov 11 '16 at 21:36
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`strong` didn't exist before ARC. If you use it with MRC, it's just a synonym for `retain`. – rmaddy Nov 11 '16 at 21:36