[Python-Dev] Dafanging the find() gotcha

Steve Holden sholden@holdenweb.com
Mon, 5 Aug 2002 15:05:43 -0400


[Andrew Koenig]
> Eric> Raise an exception.  Definitely.  There is no reason to follow
> Eric> find() rigidly when the whole point is to have semantics
> Eric> different from find().  Besides, you're right to point out that
> Eric> changing this behavior could break existing code, and that is a
> Eric> big no-no.
>
> Changing the meaning of ('ab' in 'abc') might also break existing code.
>

True, but it does seem unlikely (though not impossible) that many are
relying on "ab" in "abc" raising an exception.

regards
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Steve Holden                                 http://www.holdenweb.com/
Python Web Programming                http://pydish.holdenweb.com/pwp/
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