[Python-Dev] PEP 201 - Parallel iteration

[Peter Schneider-Kamp]

Vladimir Marangozov wrote:
> 
> What's the problem with `folding' sequences element-wise in Python?
> 
> What's the problem with `zipping' sequences element-wise in Python?
> 
> Which one of the 2 questions above makes more sense?

The first. But it gives me the wrong impression:

fold the list [1, 2, 3]:
                \    /
         f(1,f(2,f(3))) for some function f

fold the lists [1, 2, 3] and
               [4, 5, 6] elementwise:
                \     /
      f(f(3,f(6)),f(f(2,f(5)),f(1,f(4)))) for some function f

I'd just wonder what to fold the lists with.

Even if my judgement is biased by my Haskell organ, I still
think that taking the name of an important list operator from
different languages for a completely different list operation
is way worse than using the name of a file compression utility
as a list operator.

just-my-cents(0.02)-ly y'rs
Peter
--
Peter Schneider-Kamp          ++47-7388-7331
Herman Krags veg 51-11        mailto:peter@schneider-kamp.de
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