long_method_error.rb

def parse(arg, argv, &error)
  if !(val = arg) and (argv.empty? or /\A-/ =~ (val = argv[0]))  # should count as 2
    return nil, block, nil
  end
  opt = (val = parse_arg(val, &error))[1]           # counts as 1; should count as 2
  val = conv_arg(*val)
  if opt and !arg                                   # counts as 1; should count as 2 (or 3?)
    argv.shift
  else
    val[0] = nil
  end
  val
end