From: Gavin Kistner <Gavin.Kistner@...>
Date: 2004-10-06T23:14:47+09:00
Subject: Re: A ruby course

> Caveat: what about 3.5.fib and 3.5.fac?
 
module InlineMath
  def sin; ...; end
  def cos; ...; end
  module Fixnum
    def fibonacci; ...; end
    def factorial; ...; end
  end
end
 
class Numeric
  include InlineMath
end

class Fixnum
  include InlineMath::Fixnum
end