From: "David A. Black" <dblack@...>
Date: 2009-07-14T22:33:04+09:00
Subject: Re: Elegant solution for inverting zip?

Hi --

On Tue, 14 Jul 2009, Gregory Brown wrote:

> Hi folks,
>
> I came across something I thought should have an obvious answer and
> came up blank.  I'm hoping folks could give me a nice solution to this
> problem.
>
> Given the output below:
>
>>> a = [1,2,3,4].zip([5,6,7,8])
> => [[1, 5], [2, 6], [3, 7], [4, 8]]
>
>
> I'd like to recover the original two arrays, something like
>
> unzip(a) #=> [[1,2,3,4],[5,6,7,8]]

a.transpose, n'est-ce pas?


David

-- 
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