On Wed, 12 Jan 2005 19:49:06 -0500, Phillip J. Eby
<[EMAIL PROTECTED]> wrote:
> So the *only* way you can see
> this error is if you call __conform__ directly, and somebody added code
> like this:
>
> raise LiskovViolation
>
> So, it's not something you need to worry about a newbie seeing. The *real*
> problem with the name is knowing that you need to use it in the first place!
>
> IMO, it's simpler to handle this use case by letting __conform__ return
> None, since this allows people to follow the One Obvious Way to not conform
> to a particular protocol.
Not that my opinion counts for much =), but returning None does seem
much simpler to me. I also haven't seen any arguments against this
route of handling protocol nonconformance... Is there a particular
advantage to the exception-raising scheme?
Steve
--
You can wordify anything if you just verb it.
--- Bucky Katt, Get Fuzzy
_______________________________________________
Python-Dev mailing list
[email protected]
http://mail.python.org/mailman/listinfo/python-dev
Unsubscribe:
http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
