From: Greg Weeks <gregweeks@...>
Date: 2007-11-09T15:32:25+09:00
Subject: Re: standard, pretty, and flexible meta-methods?

Regarding:

  module Associations
    def self.included(base)
      base.extend(ClassMethods)
    end
    ...
    module ClassMethods
      def has_many(association_id, options = {}, &extension)
        ...
      end
    end
  end

Sorry about my initial haste.  I see now.  Lessons learned (I hope):

  - I must expect to see classy operations in instance method code.
  - "define_method"
  - the above "included" trick

Plus, of course, the concepts of A) extending a class object and B)
opening up Module.

Thanks again.

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