[Zope-dev] Guido van Rossum: Re: [ZODB-Dev] Fwd: [Zope3-dev] directory hierarchy proposal (Martijn Faassen)

Guido van Rossum guido@python.org
Wed, 11 Dec 2002 10:29:33 -0500


Sorry, cc'ed the wrong list. :-(
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Date:    Wed, 11 Dec 2002 10:29:12 -0500
From:    Guido van Rossum <guido@python.org>
To:      jeremy@zope.com (Jeremy Hylton)
cc:      zope3-dev@zope.org
Subject: Re: [ZODB-Dev] Fwd: [Zope3-dev] directory hierarchy proposal (Martijn 
	  Faassen)

>   SA> Can they be methods on objects, rather than functions in a
>   SA> module?
> 
> Just what I asked Tim :-).  There are as many as six functions --
> difference, union, intersection, weightedUnion, weightedIntersection,
> and multiunion.  The functions operate on sets; they accept any of XY
> family of objects.  So it's not obvious what they would be methods
> of.  Each object -- Set, TreeSet, Bucket, BTree -- could get a copy of
> the code, but that seems a little silly.

Perhaps it could be defined on a common base class?  <duck>

- --Guido van Rossum (home page: http://www.python.org/~guido/)

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