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Showing content from https://mail.python.org/pipermail/python-dev/2002-June/024996.html below:

[Python-Dev] Python 2.3 release schedule

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On Sun, May 26, 2002 at 01:19:15AM -0400, Raymond Hettinger wrote:
>    ia.filter(pred)          # takewhile
>    ia.invfilter(pred)       # dropwhile

Err. I don't know what you mean with "filter", but in Haskell, there is a
big difference between filter and takeWhile.

Prelude> filter (>3) [1..5]
[4,5]
Prelude> takeWhile (>3) [1..5]
[]
Prelude> dropWhile (>3) [1..5]
[1,2,3,4,5]


/Martin

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