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Re: Mutable Convenience Methods

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Re: Mutable Convenience Methods

Subject: Re: Mutable Convenience Methods
From: j o a r <email@hidden>
Date: Wed, 20 Feb 2008 17:56:23 +0100


On Feb 20, 2008, at 5:20 PM, Jonathon Mah wrote:

I think mutable subclasses should override the convenience methods of their superclass to return a mutable version. For example, [NSMutableArray array] and [NSMutableString string] both return mutable versions, but [NSMutableParagraphStyle defaultParagraphStyle] does not. Is this considered a bug in NSMutableParagraphStyle?

The big difference between the API:s that you quote above is that NSMutableArray and NSMutableString returns new instances, while NSParagraphStyle returns a singleton, shared, instance. For this reason, I don't think that this could be considered a bug, or that it would make sense to have a similar method in NSMutableParagraphStyle.

j o a r


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Re: Mutable Convenience Methods
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  >Mutable Convenience Methods (From: Jonathon Mah <email@hidden>)




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