Access included modules on a BasicObject

black_magic.rb

class Basic < BasicObject
  def _included_modules_
    class << self
      SINGLETON_CLASS = self
      def _included_modules_
        SINGLETON_CLASS.included_modules
      end
    end
    _included_modules_
  end

  def extend(mod)
    mod.__send__(:extend_object, self)
  end

  def clone
    child = ::Basic.new
    _included_modules_.each {|mod| child.extend mod }
    child
  end
end