From: Martin DeMello <martindemello@...>
Date: 2008-09-11T02:09:42+09:00
Subject: Re: How to operate on 2 arrays simultaneously?

On Wed, Sep 10, 2008 at 9:35 AM, ara.t.howard <ara.t.howard@gmail.com> wrote:
>
> be careful with zip
>
> a = big
> b = big
>
> huge_new_array = a.zip(b)
>
> another_huge_new_array = huge_new_array.each{|a,b| a + b}

zip takes a block, even in 1.8, though sadly it yields without
accumulating so you have to do it yourself. but this works:

c = []; a.zip(b) {|i, j| c << f(i,j)}

martin