Joe Knapka wrote:
>
> Steve Yegge's "Opinionated Elf" is an example of a problem
> that is very easy and elegant to solve with open classes,
> and painful to solve when classes are closed:
> http://www.cabochon.com/~stevey/blog-rants/polymorphism-fails.html

For some value of "elegant", I suppose:

"But the real problem, the one that really gets me, is that your code
is going in and distributing itself across all the classes in the
system. It feels like a violation of encapsulation."

Paul

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