In article <[EMAIL PROTECTED]>, "Andrew Koenig" <[EMAIL PROTECTED]> wrote:
> "Carl Banks" <[EMAIL PROTECTED]> wrote in message > news:[EMAIL PROTECTED] > > > Well, Python seems to get along fine without the ability to do > > isinstance(foo,file_like_object); probably better off in the end for > > it. So I'd say you should generally not do it. Inheritence is for > > when different classes need to share functionality. > > That's really the question: Is it for when they need to share > functionality, or when they are conceptually related in ways that might lead > to shared functionality later? No -- inheritance is for implementation, not to express conceptual relationship. Donn Cave, [EMAIL PROTECTED] -- http://mail.python.org/mailman/listinfo/python-list
