D vs C++ classes?

[mw]

On Tuesday, 22 June 2021 at 16:13:11 UTC, jmh530 wrote:
> On Tuesday, 22 June 2021 at 15:14:02 UTC, mw wrote:
>> [snip]
>> Not at all. First it's by the programmer's design (if s/he 
>> chooses to do it in this way).
>>
>> Second: to solve diamond problem, undefine / rename a feature 
>> usually happen in D:
>>
>> Class D : B(disable a), C ｛｝ // so using C.a()
>>
>> Class D : B, C(disable a) ｛｝ // so using B.a()
>>
>>
>> Note: this resolution in D, make A B C D all usable, non of 
>> them is abstract.
>>
>>
>> Please check my github example.
>> [snip]
>
> Thanks for the reply.
>
> The only github example I could find was in Eiffel
>
> https://github.com/mingwugmail/dlang_tour/tree/master/eiffel/mi
>
> Is that the right one?


https://github.com/mingwugmail/dlang_tour/tree/master/eiffel/visitor