From: Logan Capaldo <logancapaldo@...>
Date: 2007-08-16T11:25:23+09:00
Subject: Re: How do you choose a random word from an array?

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On 8/15/07, Ilan Berci <coder68@yahoo.com> wrote:
>
> Stefano Crocco wrote:
>
> >
> > christmas_bin[rand(christmas_bin.size)]
> >
> Now to combine what Stefano did with your earlier request:
> irb(main):001:0> class Array
> irb(main):002:1> def rand; self[Kernel.rand(self.size)]; end
> irb(main):003:1> end
> => nil
> irb(main):004:0> [1,2,3].rand
> => 3


I like to write it like this:
class Array
  def rand
    at(super(size))
  end
end


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>
>

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