[swift-evolution] Public classes with private superclass

Karl razielim at gmail.com
Tue Jul 5 20:48:44 CDT 2016


> On 5 Jul 2016, at 08:49, Andre via swift-evolution <swift-evolution at swift.org> wrote:
> 
> Personally, it's perhaps more of an "aesthetic" thing I suppose but I would definitely prefer that my internal classes stay internal even if there is a public subclass... I don't like how that leaks my internal implementation like that...
> 
> Though maybe the more swift thing to do would be to use private extensions in place of private superclasses I suppose...
> 
> andre 
> 
> iPhoneから送信
> 
> 2016/07/04 21:31、Tino Heth via swift-evolution <swift-evolution at swift.org> のメッセージ:
> 
>> I'm running into "class cannot be declared public because its superclass is internal" issues on a regular basis, and I wonder if it wouldn't make sense to allow this combination:
>> It might be less useful as soon as there are abstract classes or generic protocols, but even then I think I'd like to have this "feature".
>> 
>> Inheritance can be such a private thing ;-), so imho there should be an obvious way to hide it (marking all init-methods internal works, but I don't think this is a good way to express the intention).
>> 
>> Tino
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It certainly would be nice to selectively hide parts of the class hierarchy.

Karl


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