Module: Tins::Null

Included in:
NullClass
Defined in:
lib/tins/null.rb

Overview

Implementation of the null object pattern in Ruby.

Defined Under Namespace

Modules: Kernel

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing ⇒ Object 



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# File 'lib/tins/null.rb', line 4

def method_missing(*)
  self
end

Instance Method Details

#blank? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tins/null.rb', line 48

def blank?
  true
end

#const_missing ⇒ Object 



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# File 'lib/tins/null.rb', line 8

def const_missing(*)
  self
end

#inspect ⇒ Object 



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# File 'lib/tins/null.rb', line 40

def inspect
  'NULL'
end

#nil? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tins/null.rb', line 44

def nil?
  true
end

#to_a ⇒ Object 



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# File 'lib/tins/null.rb', line 32

def to_a
  []
end

#to_ary ⇒ Object 



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# File 'lib/tins/null.rb', line 36

def to_ary
  nil
end

#to_f ⇒ Object 



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# File 'lib/tins/null.rb', line 20

def to_f
  0.0
end

#to_i ⇒ Object 



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# File 'lib/tins/null.rb', line 24

def to_i
  0
end

#to_int ⇒ Object 



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# File 'lib/tins/null.rb', line 28

def to_int
  nil
end

#to_s ⇒ Object 



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# File 'lib/tins/null.rb', line 12

def to_s
  ''
end

#to_str ⇒ Object 



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# File 'lib/tins/null.rb', line 16

def to_str
  nil
end