[Python-Dev] for loop with if filter
Benji York
benji at benjiyork.com
Fri Nov 16 15:26:06 CET 2007
Gustavo Carneiro wrote:
> I am finding myself often doing for loops over a subset of a list, like:
>
> for r in results:
> if r.numNodes != numNodes:
> continue
> # do something with r
>
> It would be nice if the plain for loop was as flexible as list
comprehensions
> and allowed an optional if clause, like this:
>
> for r in results if r.numNodes == numNodes:
> # do something with r
You can do the same today, sans sugar:
for r in (s for s in results if s.numNodes == numNodes):
# do something with r
--
Benji York
http://benjiyork.com
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