Re: Does NSPointerArray support zeroing weak references under ARC
Re: Does NSPointerArray support zeroing weak references under ARC
- Subject: Re: Does NSPointerArray support zeroing weak references under ARC
- From: Quincey Morris <email@hidden>
- Date: Sat, 09 Aug 2014 02:36:34 -0700
On Aug 9, 2014, at 01:46 , Roland King <email@hidden> wrote:
> I do sometimes wish the revision history was a bit more verbose, or at least there was a way to see the various revisions of the document to see what actually changed.
The 2011-09-16 revision note was correct, because at that time (and until 10.8, I suppose) there wasn’t a way to use weak references with this class in ARC (or, NSMapTable, for that matter — for a while there I had my own implementation of a NSMapTable-API-lookalike that *did* support ARC weak references).
When the weak pointer functionality was eventually restored, the new constants were introduced and the old ones deprecated.
I have to admit that I’ve read the description of the difference between the old and new constants several times, and I don’t really understand what it says. On a good day, perhaps, it makes sense for a few seconds before I need to go “Huh?” again.
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