From: Dave Symonds <dsymonds@...>
Date: 2006-01-05T12:03:06+09:00
Subject: Extreme dynamism examples for showing off Ruby power

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.