Class: Envo::NoVal

Inherits:
Object
  • Object
show all
Defined in:
lib/envo/val/no_val.rb

Instance Method Summary collapse

Instance Method Details

#accept_assign?(other) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/envo/val/no_val.rb', line 11

def accept_assign?(other)
  true
end

#clean! ⇒ Object 



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# File 'lib/envo/val/no_val.rb', line 32

def clean!
end

#invalid_description ⇒ Object 



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# File 'lib/envo/val/no_val.rb', line 14

def invalid_description
  nil
end

#list? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/envo/val/no_val.rb', line 17

def list?
  false
end

#pretty_print(ctx) ⇒ Object 



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# File 'lib/envo/val/no_val.rb', line 26

def pretty_print(ctx)
  ctx.puts '<empty>'
end

#to_env_s ⇒ Object 



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# File 'lib/envo/val/no_val.rb', line 29

def to_env_s
  nil
end

#to_list ⇒ Object 



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# File 'lib/envo/val/no_val.rb', line 20

def to_list
  return ListVal.new([])
end

#to_s ⇒ Object 



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# File 'lib/envo/val/no_val.rb', line 23

def to_s
  ''
end

#type ⇒ Object

casts



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# File 'lib/envo/val/no_val.rb', line 8

def type
  :empty
end

#value ⇒ Object 



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# File 'lib/envo/val/no_val.rb', line 3

def value
  nil
end