Module: Lab42::Nil

Extended by:
Enumerable, Nil
Included in:
Nil
Defined in:
lib/lab42/nil.rb

Instance Method Summary collapse

Instance Method Details

#cons(new_head) ⇒ Object 



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# File 'lib/lab42/nil.rb', line 23

def cons(new_head)
  List.cons(new_head, self)
end

#deconstruct ⇒ Object 



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# File 'lib/lab42/nil.rb', line 7

def deconstruct
  []
end

#each ⇒ Object 



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# File 'lib/lab42/nil.rb', line 11

def each
  self
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lab42/nil.rb', line 15

def empty?
  true
end

#length ⇒ Object 



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# File 'lib/lab42/nil.rb', line 19

def length
  0
end