shit that doesn't work

gistfile1.rb

module CLR
  class MDTable
    class << self
      def dump
        puts @schema
      end

      def word(name)
        @schema << "word #{name};"
      end

      def index(tables, name)
        @schema << "index #{tables}, #{name};"
      end

    private

      def inherited(descendant)
        descendant.instance_eval do
          @schema = ''
        end
      end
    end
  end

  ObjectSpace.each_object(MDTable.singleton_class).each do |klass|
    remove_const klass.name.gsub(/^.*::/, '') if obj < MDTable
  end

  class Module < MDTable
    word :generation
    index :string, :name
    index :guid, :mvid
    index :guid, :encid
  end
end

puts CLR::Module.dump
puts CLR::MDTable.dump