For review: PEP 308 - If-then-else expression

Aahz aahz at pythoncraft.com
Mon Feb 10 16:32:33 CET 2003


In article <1nJ1a.159273$0v.4459464 at news1.tin.it>,
Alex Martelli  <aleax at aleax.it> wrote:
>Anthony Baxter wrote:
>>
>> On the other hand, I don't like this. If you need to do something like
>> this, why not just
>> 
>>           [ v_0, v_1, v_2, ... ][i]  ?
>
>Indexing isn't lazy: all the sub-expressions would be evaluated
>first -- no "short-circuiting".  The -> idea would evaluate only
>the i'th sub-expression.

Short-circuiting is nice, but how often do you really need it?
-- 
Aahz (aahz at pythoncraft.com)           <*>         http://www.pythoncraft.com/

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