From: dblack@...
Date: 2007-08-08T22:43:15+09:00
Subject: Re: Iterating list in pairs

Hi --

On Wed, 8 Aug 2007, FireAphis wrote:

> Hello,
>
> I need to iterate through a list and handle two elements on every
> iteration. That is I'd like to do something like
>
> [1,2,3,4,5].each { |x, y| puts x.to_s + y.to_s }
>
> 12
> 23
> 34
> 45

[1,2,3,4,5].inject {|a,b| puts "#{a}#{b}"; b }


David

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