[Python-Dev] Re: Shorthand for lambda

Ka-Ping Yee python-dev at zesty.ca
Wed Mar 23 19:16:17 CET 2005


On Wed, 23 Mar 2005, Reinhold Birkenfeld wrote:
> What does you implementation do for this:
>
> >>> somevar = False
> >>> filter(_ and False, numbers)

It fails.  (For the same reason that __len__ doesn't work --
Python insists that __nonzero__ must return an int.)  Though
i must say i have no idea what you are trying to do here.
If you filter on False, you'll always get an empty list.


-- ?!ng


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