Re: Synthesised properties and additional actions
Re: Synthesised properties and additional actions
- Subject: Re: Synthesised properties and additional actions
- From: Charles Srstka <email@hidden>
- Date: Wed, 22 Jun 2011 03:52:05 -0500
On Jun 22, 2011, at 3:23 AM, Joanna Carter wrote:
> Hi folks
>
> Le 22 juin 2011 à 08:58, Ken Tozier a écrit :
>
>> I just started using @properties this week, so probably don't understand the nuances, but after looking at Matt's sample code, reading the property related docs and doing some experimentation, I'm not sure I understand what problem he's trying to solve. Is he talking about overriding inherited getters/setters?
>>
>> With my own very limited experience with properties, it seems to be really easy to add functionality. Just write the getter/setter yourself. When you go to use them, they behave exactly like the auto generated ones re dot syntax, and do whatever cool thing you added.
>>
>> What am I missing?
>
> Yes, I would also like to know what Matt is trying to achieve with all those machinations that you can't do with a simple ivar in the class and not bothering to @synthesize. The only time I declare @synthesize and write getters/setters is when I want either a complex getter or setter but not have to bother writing the other.
>
> Joanna
It’s possible that he wants to inherit the atomic behavior of Apple’s automatic synthesized properties. It’s been implied before on the list that the synthesized properties use a more efficient implementation of atomicity than the typical @synthesized or lock-based approaches.
Charles_______________________________________________
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