On 10 Dec 2012, at 20:26, Matt Neuburg <[email protected]> wrote:

> Bump. I'd still like to hear about this. The docs have a *huge* box saying 
> that iOS NSPointerArray is not doing __weak references, but it sure looks to 
> me like it is. But I don't know how to test. Thanks for any help. m.
> 
> On Fri, 30 Nov 2012 07:51:57 -0800, Matt Neuburg <[email protected]> said:
>> The docs for NSPointerArray say, in a big bold box right at the top:
>> 
>>> Important: NSPointerArray does not support weak references under Automatic 
>>> Reference Counting (ARC).
>> 
>> However, a [NSPointerArray weakObjectsPointerArray] does NULL an element 
>> that has been released through ARC; I can test this directly, and I've also 
>> been using NSPointerArray successfully to break retain cycles. So are the 
>> docs just lying (in a big bold box right at the top), or is this some other 
>> kind of weak reference (i.e. somehow weak, but not ARC-__weak)?

I spotted this elsewhere in the docs today:

> Starting in OS X v10.8, the Foundation framework offers the following 
> features and enhancements:
> 
> Support for zeroing weak references with enhancements to the NSMapTable, 
> NSHashTable, and NSPointerArray classes.

So I guess the regular docs just haven't been updated yet.
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