From: "Brian Schröder" <ruby.brian@...>
Date: 2005-07-28T22:57:18+09:00
Subject: Re: Combination of two arrays

On 28/07/05, Jim Freeze <jim@freeze.org> wrote:
> * Claus Spitzer <docboobenstein@gmail.com> [2005-07-28 20:57:24 +0900]:
> 
> > I have two arrays. let's call them foo and bar.
> > foo = [ "a", "b", "c", ... n ]
> > bar = [  1 ,  2 ,  3 , ... m ]
> >
> > I am looking for a way to combine them such that the result is something like
> >
> > [ [ "a", 1 ], [ "a", 2 ], ... [ "a", m ], [ "b", 1 ], ... [ n, 1 ],
> > ... [ n, m ] ]
> 
>   irb(main):002:0> foo = [ "a", "b", "c" ]
>   => ["a", "b", "c"]
>   irb(main):003:0> bar = [  1 ,  2 ,  3 ]
>   => [1, 2, 3]
>   irb(main):004:0> foo.zip(bar)
>   => [["a", 1], ["b", 2], ["c", 3]]
> 

That is not the same as what the OP was proposing. One could write the
original approach using inject and shorten it one line by that
approach, but that is more obfuscation than neccessary. I don't have
any better proposal for Claus.

regards,

Brian

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