Virtual Classes?

Meta via Digitalmars-d-learn digitalmars-d-learn at puremagic.com
Wed Aug 17 20:58:00 PDT 2016


On Thursday, 18 August 2016 at 02:55:49 UTC, Basile B. wrote:
> On Thursday, 18 August 2016 at 02:51:48 UTC, Meta wrote:
>> On Thursday, 18 August 2016 at 00:49:49 UTC, Engine Machine 
>> wrote:
>>> https://en.wikipedia.org/wiki/Virtual_class
>>>
>>> Can D do stuff like this naturally?
>>
>> Yes, D's `alias this` feature supports this.
>>
>> https://dlang.org/spec/class.html#alias-this
>
> No read carefully, alias this does not the same thing, 
> particularly when the time comes to override the inner type.

How doesn't it? You define a member with the same name in the 
outer class and it'll override the inner one.


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