wherein i lose my shit and go to town playing with Rubified `car`/`cdr`

smoking_lisp_through_ruby.rb

Death-Lair-of-Killer-Bambi:Desktop stickycake$ irb
cannot load such file -- irb/autocompletion
1.9.3-p194 :001 > boys = %w{jarry larry parry gary}
 => ["jarry", "larry", "parry", "gary"] 
1.9.3-p194 :002 > boys.is_a(Array)
NoMethodError: undefined method `is_a' for ["jarry", "larry", "parry", "gary"]:Array
	from (irb):2
	from /Users/stickycake/.rvm/rubies/ruby-1.9.3-p194/bin/irb:16:in `<main>'
1.9.3-p194 :003 > boys.is_a?(Array)
 => true 
1.9.3-p194 :004 > !boys.is_a?(String)
 => true 
1.9.3-p194 :005 > boys[0]
 => "jarry" 
1.9.3-p194 :006 > boys.[1..-1]
SyntaxError: (irb):6: syntax error, unexpected '['
boys.[1..-1]
      ^
(irb):6: syntax error, unexpected ']', expecting $end
	from /Users/stickycake/.rvm/rubies/ruby-1.9.3-p194/bin/irb:16:in `<main>'
1.9.3-p194 :007 > boys
 => ["jarry", "larry", "parry", "gary"] 
1.9.3-p194 :008 > boys[1..-1]
 => ["larry", "parry", "gary"] 
1.9.3-p194 :009 > girls = %w(sasha jenna krystal breanna jade nikki sara terry poppy)
 => ["sasha", "jenna", "krystal", "breanna", "jade", "nikki", "sara", "terry", "poppy"] 
1.9.3-p194 :010 > girls
 => ["sasha", "jenna", "krystal", "breanna", "jade", "nikki", "sara", "terry", "poppy"] 
1.9.3-p194 :011 > def array?
1.9.3-p194 :012?>   self.is_a?(Array)
1.9.3-p194 :013?>   end
 => nil 
1.9.3-p194 :014 > girls.array?
 => true 
1.9.3-p194 :015 > def first
1.9.3-p194 :016?>   self[0]
1.9.3-p194 :017?>   end
 => nil 
1.9.3-p194 :018 > def rest
1.9.3-p194 :019?>   self[1..-1]
1.9.3-p194 :020?>   end
 => nil 
1.9.3-p194 :021 > girls.first
 => "sasha" 
1.9.3-p194 :022 > girls.rest
 => ["jenna", "krystal", "breanna", "jade", "nikki", "sara", "terry", "poppy"] 
1.9.3-p194 :023 > girls[2..6]
 => ["krystal", "breanna", "jade", "nikki", "sara"] 
1.9.3-p194 :024 > darks = %w(coal charcoal slate rust maroon ebony)
 => ["coal", "charcoal", "slate", "rust", "maroon", "ebony"] 
1.9.3-p194 :025 > mediums = %w(med1 med2 med med4 med5)
 => ["med1", "med2", "med", "med4", "med5"] 
1.9.3-p194 :026 > lights = %w(light1 light2 light3 light4)
 => ["light1", "light2", "light3", "light4"] 
1.9.3-p194 :027 > jill << lights << mediums << darks
NameError: undefined local variable or method `jill' for main:Object
	from (irb):27
	from /Users/stickycake/.rvm/rubies/ruby-1.9.3-p194/bin/irb:16:in `<main>'
1.9.3-p194 :028 > jill = Array.new << lights << mediums << darks
 => [["light1", "light2", "light3", "light4"], ["med1", "med2", "med", "med4", "med5"], ["coal", "charcoal", "slate", "rust", "maroon", "ebony"]] 
1.9.3-p194 :029 > darks.first
 => "coal" 
1.9.3-p194 :030 > colors.rest.first
NameError: undefined local variable or method `colors' for main:Object
	from (irb):30
	from /Users/stickycake/.rvm/rubies/ruby-1.9.3-p194/bin/irb:16:in `<main>'
1.9.3-p194 :031 > jill.rest.first
 => ["med1", "med2", "med", "med4", "med5"] 
1.9.3-p194 :032 > colors = jill.clone
 => [["light1", "light2", "light3", "light4"], ["med1", "med2", "med", "med4", "med5"], ["coal", "charcoal", "slate", "rust", "maroon", "ebony"]] 
1.9.3-p194 :033 > colors
 => [["light1", "light2", "light3", "light4"], ["med1", "med2", "med", "med4", "med5"], ["coal", "charcoal", "slate", "rust", "maroon", "ebony"]] 
1.9.3-p194 :034 > colors.rest.rest.first
 => ["coal", "charcoal", "slate", "rust", "maroon", "ebony"] 
1.9.3-p194 :035 > colors.rest.rest.first.first
 => "coal" 
1.9.3-p194 :036 > colors .rest.rest
 => [["coal", "charcoal", "slate", "rust", "maroon", "ebony"]] 
1.9.3-p194 :037 > colors.rest.rest
 => [["coal", "charcoal", "slate", "rust", "maroon", "ebony"]] 
1.9.3-p194 :038 > colors.rest.rest.rest
 => [] 
1.9.3-p194 :039 > colors.rest.rest.first
 => ["coal", "charcoal", "slate", "rust", "maroon", "ebony"] 
1.9.3-p194 :040 > colors.rest.rest
 => [["coal", "charcoal", "slate", "rust", "maroon", "ebony"]] 
1.9.3-p194 :041 > colors.rest.rest.rest
 => [] 
1.9.3-p194 :042 > colors.rest.rest.first
 => ["coal", "charcoal", "slate", "rust", "maroon", "ebony"] 
1.9.3-p194 :043 > colors.rest.rest.first.rest.first
 => "charcoal" 
1.9.3-p194 :044 > colors.rest.rest.first.rest.rest.rest
 => ["rust", "maroon", "ebony"] 
1.9.3-p194 :045 > colors.rest.rest.first.rest.rest.rest.rest.rest
 => ["ebony"] 
1.9.3-p194 :046 > colors.rest.rest.first.rest.rest.rest.rest.rest.rest
 => [] 
1.9.3-p194 :047 > colors.rest.rest.first.rest.rest.rest.rest.rest.rest
 => [] 
1.9.3-p194 :048 > colors.rest.rest.first.rest.rest.rest.rest.rest.rest.rest
 => nil 
1.9.3-p194 :049 > colors.rest.rest.first.rest.rest.rest.rest.rest.rest.rest == nil?
 => false 
1.9.3-p194 :050 > colors.rest.rest.first.rest.rest.rest.rest.rest.rest.rest.nil?
 => true 
1.9.3-p194 :051 > nil?
 => false 
1.9.3-p194 :052 > self.nil?
 => false 
1.9.3-p194 :053 > self
 => main 
1.9.3-p194 :054 > self.class
 => Object 
1.9.3-p194 :055 > self.inspect
 => "main" 
1.9.3-p194 :056 > to_s
 => "main" 
1.9.3-p194 :057 > girls
 => ["sasha", "jenna", "krystal", "breanna", "jade", "nikki", "sara", "terry", "poppy"] 
1.9.3-p194 :058 > boys
 => ["jarry", "larry", "parry", "gary"] 
1.9.3-p194 :059 > colors
 => [["light1", "light2", "light3", "light4"], ["med1", "med2", "med", "med4", "med5"], ["coal", "charcoal", "slate", "rust", "maroon", "ebony"]] 
1.9.3-p194 :060 > lights
 => ["light1", "light2", "light3", "light4"] 
1.9.3-p194 :061 > darks
 => ["coal", "charcoal", "slate", "rust", "maroon", "ebony"] 
1.9.3-p194 :062 > mediums
 => ["med1", "med2", "med", "med4", "med5"] 
1.9.3-p194 :063 > colors.length
 => 3 
1.9.3-p194 :064 > colors.count
 => 3 
1.9.3-p194 :065 > colors.size
 => 3 
1.9.3-p194 :066 > colors.kind_of
NoMethodError: undefined method `kind_of' for #<Array:0x007fab2c939318>
	from (irb):66
	from /Users/stickycake/.rvm/rubies/ruby-1.9.3-p194/bin/irb:16:in `<main>'
1.9.3-p194 :067 > colors.kind_of?(Array)
 => true 
1.9.3-p194 :068 > colors.kind_of?(Array)a

syntax-highlight-version

http://www.syntax-highlighting.com/p/show?id=5352