From: Greg Hauptmann <greg.hauptmann.ruby@...>
Date: 2007-06-16T10:25:38+09:00
Subject: Re: accessing the count/iteration # within an "each" ???

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excellent - thanks guys

On 6/16/07, Tim Hunter <TimHunter@nc.rr.com> wrote:
>
> Greg Hauptmann wrote:
> > Is there a way to access the count / iteration# within an "each"
> > loop?  i.e.
> > how many times through the loop one is?
> ruby$ ri Enumerable#each_with_index
> --------------------------------------------- Enumerable#each_with_index
>      enum.each_with_index {|obj, i| block }  -> enum
> ------------------------------------------------------------------------
>      Calls block with two arguments, the item and its index, for each
>      item in enum.
>
>         hash = Hash.new
>         %w(cat dog wombat).each_with_index {|item, index|
>           hash[item] = index
>         }
>         hash   #=> {"cat"=>0, "wombat"=>2, "dog"=>1}
>
>
>
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>

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