prelude: |
  def def_array(size)
    Object.class_eval(<<-END)
      def array_#{size}
        x = 1
        [#{(['x'] * size).join(',')}]
      end
    END
  end
  def_array(100)
  def_array(1000)
  def_array(10000)
  def_array(100000)
benchmark:
  array_100: array_100
  array_1000: array_1000
  array_10000: array_10000
  array_100000: array_100000