Ok thanks. Not changing anything is the easiest and safest approach.
Jim Merkel
On Oct 30, 2011, at 10:52 AM, Dave Zarzycki wrote:
> On Oct 30, 2011, at 10:32 AM, James Merkel wrote:
>
>> The document on ARC talks about problematic C structs like:
>>
>> struct x { NSString *S; int X; } StaticArray[] = {
>> @"foo", 42,
>> @"bar, 97,
>> ...
>> };
>>
>> I use that pattern quite a bit in my code and haven't had any problems with it. These are basically constant strings that never change.
>
> Is the above pattern in your code used with globals? (Probably.)
>
>> With ARC, the compiler wants me to change the code to:
>>
>> struct x { __unsafe_unretained NSString *S; int X; }
>>
>> Aside from this looking really ugly, will the App store accept this in an application?
>
> Yes. "__unsafe_unretained" is public API, therefore the App store will accept it.
>
>> The document on ARC says in order to do this task correctly, the code should be changed to a class. Ok, what class are they talking about?
>
> That depends on the scenario. If the above struct is simply a global (and it probably is), then changing to a class would be more complicated than just using __unsafe_unretained. If the above struct is stored in malloc()ed memory, then switching to a class is the right thing to do.
>
> davez
>
>
>> I don't see how the collection classes like NSDictionary or NSArray support this. Do they mean create your own collection class to do this?
>>
>> Thanks for any insight on this.
>>
>> Jim Merkel
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