Defending the ternary operator

Aahz aahz at pythoncraft.com
Sat Feb 8 23:36:46 CET 2003


In article <mailman.1044729201.7115.python-list at python.org>,
Andrew Koenig  <ark at research.att.com> wrote:
>
>Or -- and this is what really convinces me -- I can write
>
>    z = x > y and x or y
>
>which looks really cool, and is just plain wrong, because if x is
>0 and y is negative, the result is 0 instead of y.
>
>It's this last example that really horrifies me, because people see
>it, think that "if a then b else c" should be written as
>"a and b or c", and then get into trouble.
>
>The fact that people are suggesting such circumlocutions says to me
>that there is a use for the feature, and the fact that people are
>suggesting incorrect circumlocutions makes my skin crawl.

Then attack the problem at its roots: flame the people who suggest such
circumlocutions instead of more Pythonic idioms.  </half-joking>
-- 
Aahz (aahz at pythoncraft.com)           <*>         http://www.pythoncraft.com/

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