From: Aredridel <aredridel@...>
Date: 2003-08-01T11:16:52+09:00
Subject: Re: Extracting a parent class


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On Thu, 2003-07-31 at 16:53, Michael Garriss wrote:
> I suppose that containment is a good idea but I do have methods that=20
> expect objs of the client side base class.  I could rewrite them to add=20
> the check the class of the incoming obj.  I think that I will just=20
> continue to use to_SomeClass type methods.  It's just a pain to have to=20
> keep them upto date.

Or query based on interface -- ask if it has the methods you expect, not
the inheritance.

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