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Sun Mar 13 07:57:58 CET 2005 · http://mail.python.org/pipermail/python-dev/2005-March/052124.html

Nick Coghlan wrote:
> That 'x in seq' bit still shouts "containment" to me rather than 
> iteration, though.
> 
> Perhaps repurposing 'from':
> 
>   (x from seq if f(x))
> 
> That rather breaks TOOWTDI though (since it is essentially new syntax 
> for a for loop). And I have other hopes for the meaning of (x from ()). . .

How about:

   (for x in seq if f(x))

It still has the word 'for' in it and avoids mentioning
x more times than necessary.

Although I can't help feeling that it should be some
other word instead, such as

   (all x in seq if f(x))

or

   (every x in seq if f(x))

--
Greg

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[Python-Dev] comprehension abbreviation (was: Adding any() and all())