Re: NSString Class Instance Variables
Re: NSString Class Instance Variables
- Subject: Re: NSString Class Instance Variables
- From: Graham Cox <email@hidden>
- Date: Wed, 14 Oct 2009 10:29:41 +1100
On 14/10/2009, at 6:40 AM, Richard Somers wrote:
The same is true for NSArray, NSSet, and other foundation classes.
If the class has no instance variables, what does it do for storage?
Apart from the class cluster answer you already got, the public
headers don't need to include any instance variables even if they
exist in reality. You can do this yourself - compile the code using
the 'real' headers then publish a public header that strips the ivars
and only includes any public API you want to expose. It's a good habit
to mark ivars as @private unless you really, really cannot avoid doing
that, and if they are private there's no need to publish them.
--Graham
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