From: "J. Ryan Sobol" <ryansobol@...>
Date: 2006-01-05T13:06:08+09:00
Subject: Re: Extreme dynamism examples for showing off Ruby power

Many solutions to the latest ruby quiz used breadth-first search, a  
classic computer science algorithm.  There were a wide variety of  
solutions, filled with neat examples of ruby-isms.  I'm sure you can  
find some gems for your presentation by looking here:

http://www.rubyquiz.com/quiz60.html

BTW - Here was my solution, which turned instances of Integers into  
an ad-hoc nodes.

http://www.ruby-talk.org/cgi-bin/scat.rb/ruby/ruby-talk/173622

~ ryan ~


On Jan 4, 2006, at 10:03 PM, Dave Symonds wrote:

> Hi All,
>
> I'm giving a presentation to my research group next month about Ruby
> (mainly an intro), but seeing as though it's in a Computer Science
> department, with plenty of people who have several decades of
> programming experience in many different languages, I'm trying to come
> up with some examples of (among other things) how Ruby's dynamism can
> be taken to extremes. My first thought was satisfying Orwell's famous
> "Nineteen Eighty Four" proposition about mathematical adherence to Big
> Brother:
>
> class Fixnum
>         alias old_plus +
>
>         def +(arg)
>                 if self == 2 and arg == 2
>                         5                # INGSOC compliance
>                 else
>                         old_plus(arg)
>                 end
>         end
> end
>
>
> Any improvements, or other neat little examples I can use? I've also
> adapted the VCR-proxy example (pimple-class using method_missing to
> catch, record and pass on method calls).
>
>
>
> Cheers,
>
> Dave.
>
>