Module: Tins::Null

Included in:
NullClass, NullPlus
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_missingObject



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

def method_missing(*)
  self
end

Instance Method Details

#as_jsonObject



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# File 'lib/tins/null.rb', line 52

def as_json(*)
end

#blank?Boolean

Returns:

  • (Boolean)


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

def blank?
  true
end

#const_missingObject



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

def const_missing(*)
  self
end

#inspectObject



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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_aObject



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

def to_a
  []
end

#to_aryObject



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

def to_ary
  nil
end

#to_fObject



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

def to_f
  0.0
end

#to_iObject



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

def to_i
  0
end

#to_intObject



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

def to_int
  nil
end

#to_jsonObject



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# File 'lib/tins/null.rb', line 55

def to_json(*)
  'null'
end

#to_sObject



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

def to_s
  ''
end

#to_strObject



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

def to_str
  nil
end