On 2019-10-24 19:45:42 +0000, Ali ‡ehreli said:

One practical reason is, the number of their instances cannot be known when the interface (or base class) is compiled.
...

Ali, first, thanks a lot for your answers.

If the compiler is a 1-pass one I see the problem, otherwise one could first get a "total overview" and create the necessary vtbl entries after everything is known. Maybe this is not "how a compiler is implemented" but the problem sounds solvable for me.

However, your solution works too. Thanks again.

--
Robert M. Münch
http://www.saphirion.com
smarter | better | faster

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