From: Giles Bowkett <gilesb@...>
Date: 2006-11-26T03:33:36+09:00
Subject: Re: how do I contribute to Ruby?

> > Want to be the most evil person in the world?  EVER?
> >
> > N.B.: Please don't do this =)
> >
> >     require 'enumerator'
> >
> >     objects = ObjectSpace.to_enum(:each_object)
> >     classes = objects.select {|o| Class === o}
> >
> >     classes.each do |klass|
> >       klass.instance_eval {
> >         if [?A,?E,?I,?O,?U].include?(to_s[0])
> >           alias_method :"is_an?", :"is_a?"
> >           undef_method :"is_a?"
> >           $stderr.puts "Was evil in Class: #{to_s}"
> >         end
> >       }
> >     end
>
> Actually, I didn't even think that one all the way through.  That
> won't work thank goodness ;)

You know, this would make a pretty entertaining Ruby Quiz. Especially
if you also had to make sure that is_a? User and is_an? Udder had to
work properly as well.

-- 
Giles Bowkett
http://www.gilesgoatboy.org