Re: NSPointerArray on iOS - truly __weak?
Re: NSPointerArray on iOS - truly __weak?
- Subject: Re: NSPointerArray on iOS - truly __weak?
- From: Mike Abdullah <email@hidden>
- Date: Tue, 22 Jan 2013 15:08:19 +0000
On 10 Dec 2012, at 20:26, Matt Neuburg <email@hidden> 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@hidden> 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.
_______________________________________________
Cocoa-dev mailing list (email@hidden)
Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden