Stylistic question about inheritance
donn at u.washington.edu
Thu Mar 31 22:55:06 CEST 2005
<P_Y2e.493283$w62.145022 at bgtnsc05-news.ops.worldnet.att.net>,
"Andrew Koenig" <ark at acm.org> wrote:
> "Carl Banks" <invalidemail at aerojockey.com> wrote in message
> news:1112300127.449931.146470 at o13g2000cwo.googlegroups.com...
> > 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
Donn Cave, donn at u.washington.edu
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