[squeak-dev] Re: On class/metaclass coupling
andreas.raab at gmx.de
Tue Dec 8 16:16:41 UTC 2009
Igor Stasenko wrote:
> For people who think that we should not revise the class/metaclass
> coupling in Squeak,
> just ignore this topic and consider it as a rant :)
> For those, who interested why i think its not a perfect from
> object-oriented point of view, continue reading.
It may help your thinking about the problem when you realize that the
core coupling between object and class, is as simple as:
Class new class == Class.
I.e., if you can implement the #class method you could do something like:
This will work perfectly fine in terms of the "everyday use" of classes.
I had thought about utilizing this to create "safe classes" that is
classes that separate the factory / utility aspect from the vtable
aspect (FooFactory can expose instance creation and utility methods
without exposing the implemntation / compilation aspect provided by
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