[Python-Dev] listcomps vs. for loops
Aahz
aahz at pythoncraft.com
Mon Oct 20 13:31:35 EDT 2003
On Mon, Oct 20, 2003, Guido van Rossum wrote:
>Alex Martelli:
>>
>> We are indeed sure (sadly) that list comprehensions leak control variable
>> names.
>
> But they shouldn't. It can be fixed by renaming them (e.g. numeric
> names with a leading dot).
?!?! When listcomps were introduced, you were strongly against any
changes that would make it difficult to switch back and forth between a
listcomp and its corresponding equivalent for loop. Are you changing
your position or are you suggesting that for loops should grow private
names?
--
Aahz (aahz at pythoncraft.com) <*> http://www.pythoncraft.com/
"It is easier to optimize correct code than to correct optimized code."
--Bill Harlan
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