map/filter/reduce/lambda opinions and background unscientific mini-survey

Robert Kern rkern at
Fri Jul 1 22:24:09 EDT 2005

Chris Smith wrote:
> My question is, why not move them into, say, a "functional" library,
> so that legacy code can be handled via an import, and those heads
> preferring to think that way can be satisfied, and those little corner
> cases not handled by the newer, sweller syntaxes can still be managed?
> IOW, just ripping them out of the core and leaving everyone in the
> lurch doesn't seem too pythonic to me.

Python 3000 will be breaking more backwards compatibility than 
map/reduce/filter. That legacy code won't work anyways.

I predict, though, that one of the first 3rd party modules to come out 
for Python 3000 will be such a library.

Robert Kern
rkern at

"In the fields of hell where the grass grows high
  Are the graves of dreams allowed to die."
   -- Richard Harter

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