incorrect parsing? - Githubissues

The nil on 25 seems wrong, also behaves weirdly if I delete the space on 38
require 'stringio'      # => false
$stdout = StringIO.new  # => #<StringIO:0x007fdc0b0ec948>

class Fixnum
  def inspect
    c = (chr rescue 'none')                # => "\x00",                   "\x01",                   "\x03",                   "\e",                     "\x04",                   "\x01",                   "\x1F",                   " ",                     "1"
    sprintf '%08b %3d %6p', self, self, c  # => "00000000   0 \"\\x00\"", "00000001   1 \"\\x01\"", "00000011   3 \"\\x03\"", "00011011  27   \"\\e\"", "00000100   4 \"\\x04\"", "00000001   1 \"\\x01\"", "00011111  31 \"\\x1F\"", "00100000  32    \" \"", "00110001  49    \"1\""
  end                                      # => :inspect
end                                        # => :inspect

$/ =~ //  # => 00000000   0 "\x00"

# "\e[4"
$.   = -~$.           # => 00000001   1 "\x01"
$;   = $. | $. << $.  # => 00000011   3 "\x03"
$;   = $; | $; << $;  # => 00011011  27   "\e"
$\=$& << $;           # => "\e"
$. <<= $. << $.       # => 00000100   4 "\x04"
$\ <<= $; | $. << $.  # => "\e["
$.^=-~$.              # => 00000001   1 "\x01"
$\ <<= ~-~$.&$;<<$.   # => "\e[4"

# "m  "
$.=~-$.^$.             # => nil
$, = $&.<<$.|$;<<-~$.  # => "m"
$; = $; | -~$;         # => 00011111  31 "\x1F"
$; = -~$;              # => 00100000  32    " "
$, = $, << $; << $;    # => "m  "

# "1"
$_=$;|~-$;^~-$;>>-~$.<<$.  # => 00110001  49    "1"

# print
$>.<<$\+$&<<$_<<$,<<$\
$>.<<$&.<<$_=-~$_      # => #<StringIO:0x007fdc0b0ec948>
$><<$,<<$/<<$\
$>.<<$&.<< -~-~$_      # => #<StringIO:0x007fdc0b0ec948>
$><<$,<<$\
$>.<<$&<<-~$_<<$,<<$/  # => #<StringIO:0x007fdc0b0ec948>

$stdout.string ==                         # => "\e[41m  \e[42m  \n\e[44m  \e[43m  \n"
  "\e[41m  \e[42m  \n\e[44m  \e[43m  \n"  # => true
JoshCheek / seeing_is_believing

incorrect parsing? #80
