From: FireAphis <FireAphis@...>
Date: 2007-08-09T13:34:59+09:00
Subject: Re: Iterating list in pairs

On Aug 8, 4:43 pm, dbl...@rubypal.com wrote:
> 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
>
> --
> * Books:
>    RAILS ROUTING (new!http://www.awprofessional.com/title/0321509242)
>    RUBY FOR RAILS (http://www.manning.com/black)
> * Ruby/Rails training
>      & consulting:  Ruby Power and Light, LLC (http://www.rubypal.com)

Short and elegant!