Re: NSString and NSCopying Protocol

FROM : Ondra Cada
DATE : Wed Nov 20 05:19:56 2002

On Tuesday, Nov 19, 2002, at 16:13 Europe/Prague, Starman wrote:

> I think it could be something optimized, since you gain memory space
> and computing time, but can we say that NSString conforms to NSCopying
> Protocol ? It has not the behaviour a developer will expect....
>
> Am I correct ?

No, you are not. The proper way a developer expects of any *immutable*
object is to have its -copy implemented as a plain "return [self
retain]". The advantages are obvious, there are no disadvantages.
---
Ondra Cada
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