From: Jason Roelofs <jameskilton@...>
Date: 2007-02-09T06:45:45+09:00
Subject: Re: Your favorite bit of ruby code?

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Can't say I've used this bit of code anywhere, but it's the same feature as
John's post, with a twist:

class NilClass
  def to_s
    "Hi! My name is Nil! You can call me Nil!"
  end
end

puts nil.to_s  #=> "Hi! My name is Nil! You can call me Nil!"

I love ruby!

Jason

On 2/8/07, John Carter <john.carter@tait.co.nz> wrote:
>
> On Fri, 9 Feb 2007, Carl Lerche wrote:
>
> >
> > I'm just curious what your favorite bit of ruby code is? Do you have
> > any small bits, methods, classes, or anything else, that just make you
> > say "Wow, that is sweet!"
>
> # Ruby is Objects all the way down and open for extension...
>
> class Integer
>    def factorial
>      return 1 if self <= 1
>      self * (self-1).factorial
>    end
> end
>
> 6.factorial
> 720
>
>
>
>
> John Carter                             Phone : (64)(3) 358 6639
> Tait Electronics                        Fax   : (64)(3) 359 4632
> PO Box 1645 Christchurch                Email : john.carter@tait.co.nz
> New Zealand
>
>
>

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