    # File lib/spec/runner/option_parser.rb, line 87
          def initialize(err, out)
            super()
            @error_stream = err
            @out_stream = out
            @options = Options.new(@error_stream, @out_stream)

            @file_factory = File

            self.banner = "Usage: spec (FILE|DIRECTORY|GLOB)+ [options]"
            self.separator ""
            on(*OPTIONS[:pattern])          {|pattern| @options.filename_pattern = pattern}
            on(*OPTIONS[:diff])             {|diff| @options.parse_diff(diff)}
            on(*OPTIONS[:colour])           {@options.colour = true}
            on(*OPTIONS[:example])          {|example| @options.parse_example(example)}
            on(*OPTIONS[:specification])    {|example| @options.parse_example(example)}
            on(*OPTIONS[:line])             {|line_number| @options.line_number = line_number.to_i}
            on(*OPTIONS[:format])           {|format| @options.parse_format(format)}
            on(*OPTIONS[:require])          {|requires| invoke_requires(requires)}
            on(*OPTIONS[:backtrace])        {@options.backtrace_tweaker = NoisyBacktraceTweaker.new}
            on(*OPTIONS[:loadby])           {|loadby| @options.loadby = loadby}
            on(*OPTIONS[:reverse])          {@options.reverse = true}
            on(*OPTIONS[:timeout])          {|timeout| @options.timeout = timeout.to_f}
            on(*OPTIONS[:heckle])           {|heckle| @options.load_heckle_runner(heckle)}
            on(*OPTIONS[:dry_run])          {@options.dry_run = true}
            on(*OPTIONS[:options_file])     {|options_file| parse_options_file(options_file)}
            on(*OPTIONS[:generate_options]) {|options_file|}
            on(*OPTIONS[:runner])           {|runner|  @options.user_input_for_runner = runner}
            on(*OPTIONS[:drb])              {}
            on(*OPTIONS[:version])          {parse_version}
            on_tail(*OPTIONS[:help])        {parse_help}
          end