> On 21 Jan 2016, at 23:40, Quincey Morris 
> <quinceymor...@rivergatesoftware.com> wrote:
> 
> On Jan 21, 2016, at 15:22 , Dave <d...@looktowindward.com 
> <mailto:d...@looktowindward.com>> wrote:
>> 
>> I’m relying of the copy attribute for the NSString’s, do I need to change 
>> these to do a [xxxxxxx copy] too
> 
> If you’re writing the setter yourself, you must do the copy yourself. If 
> you’re using the synthesized setter, it’s done for you.
> 
> In your own code, you may as well be liberal with ‘copy’. It’s basically free 
> (in run-time cost) in situations where you don’t need it. You don’t save 
> anything by leaving it out.
> 

I’ve always been confused over what *actually* happens when you do something 
like this:

@property (copy)        NSString*       pString;


self.pString = [anotherString copy];

Do two new NSString objects get created? (I mean using the synthesized setter)

Thanks again,
All the Best
Dave



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