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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