From: Ryan Davis <ryand-ruby@...>
Date: 2013-03-30T06:28:49+09:00
Subject: Re: Program with shuffle program


On Mar 29, 2013, at 07:47 , Chris Hulan <chris.hulan@gmail.com> wrote:

> this line:
>  return shuffled if unshuffled.index == 0
> 
> I think you mean 
>  return shuffled if unshuffled.length == 0

which could be made even more clear with:

return shuffled if unshuffled.empty?