Adding autoload feature to a Ruby class

document.rb

class Document
  def self.reload
    instance_methods(false).each { |m| remove_method(m) }
    class << self
      Document.methods(false).reject {|m| m == "reload" }.each do |m|
        remove_method(m)
      end
    end

    load(__FILE__)
  end

  def initialize(name)
    @name = name
  end

  def name
    @name.upcase
  end

  # def self.ciao
  #   "ciao"
  # end

end