From: Martin DeMello <martindemello@...>
Date: 2009-02-07T00:31:12+09:00
Subject: Re: iterating over two arrays simultaneously

On Fri, Feb 6, 2009 at 8:54 PM, Jean-Denis Muys <jdmuys@kleegroup.com> wrote:
> James' solution to the previous question being so much better than mine (which I
> did for my learning purposes), I dare asking about how to iterate over two
> arrays in parallel. I don't see a way to use the iteration methods, and my
> solution below doesn't feel idiomatic at all:
>
> array1 = [1, 2, 3]
> array2 = ["one", "two", "three"]
> # note: both arrays are known to be the same size

Use the block form of zip:

array1.zip(array2) {|i,j| print "#{i} = #{j}\n"}

martin