terminate

# File lib/getoptlong.rb, line 357
  def terminate
    return nil if @status == STATUS_TERMINATED
    raise RuntimeError, "an error has occurred" if @error != nil

    @status = STATUS_TERMINATED
    @non_option_arguments.reverse_each do |argument|
      ARGV.unshift(argument)
    end

    @canonical_names = nil
    @argument_flags = nil
    @rest_singles = nil
    @non_option_arguments = nil

    return self
  end