Pattern, Abstract Factory / Factory
Manfred Bergmann
manfred.bergmann at me.com
Sun Feb 7 08:34:46 UTC 2021
> Am 07.02.2021 um 09:23 schrieb Hans Hübner <hans.huebner at gmail.com>:
>
> Am So., 7. Feb. 2021 um 09:20 Uhr schrieb Manfred Bergmann <manfred.bergmann at me.com>:
> But fundamentally, you also can’t create an instance of a class in Common Lisp from just the symbol. The class definition must be known.
>
> This simply is untrue. You can use FIND-CLASS to find a class named by a symbol and then instantiate it.
Well, OK. Sure. But when I do that I have again a dependency on the concrete class, or? And it would be similar as knowing the class right from the start.
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