Re: NSMutableDictionary autorelease chrashes application
Re: NSMutableDictionary autorelease chrashes application
- Subject: Re: NSMutableDictionary autorelease chrashes application
- From: "Michael Ash" <email@hidden>
- Date: Sat, 19 Jul 2008 09:19:20 -0400
On Fri, Jul 18, 2008 at 11:52 PM, Andy Lee <email@hidden> wrote:
>> The only unusual thing Cocoa does with it is allow
>> multiple owners.
>
> I'm confused by this statement. Take that simple C++ String class again.
> If you have:
>
> String a = "aaa";
> String b = a;
> String c = a;
>
> ...don't a, b, and c all own the underlying char buffer? (And yes, a char
> buffer isn't an object, but that's what the article you linked to is
> referring to when it mentions ownership.)
Sure, I just said that Cocoa was unusual in this respect, not that
it's unique. You can find other refcounting schemes in use, both
automatic (as in this case) and manual (CoreFoundation, KHTML, CORBA
[I think]). But they're rare compared to the pervasiveness of
straight-up new/delete systems.
Mike
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