Module: Null

Included in:
Object
Defined in:
lib/nullobject.rb

Defined Under Namespace

Classes: Object

Class Method Summary collapse

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(*args, &block) ⇒ Object 



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# File 'lib/nullobject.rb', line 20

def method_missing(*args, &block)
  self
end

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/nullobject.rb', line 5

def self.included(base)
  base.send(:include, Singleton)
end

Instance Method Details

#inspect ⇒ Object 



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# File 'lib/nullobject.rb', line 16

def inspect
  "#<%s:0x%x>" % [self.class, object_id]
end

#nil? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nullobject.rb', line 14

def nil?; true; end

#respond_to?(message, include_private = false) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nullobject.rb', line 24

def respond_to?(message, include_private=false)
  true
end

#to_a ⇒ Object 



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# File 'lib/nullobject.rb', line 9

def to_a; []; end

#to_ary ⇒ Object 



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# File 'lib/nullobject.rb', line 10

def to_ary; []; end

#to_f ⇒ Object 



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# File 'lib/nullobject.rb', line 12

def to_f; 0.0; end

#to_i ⇒ Object 



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# File 'lib/nullobject.rb', line 13

def to_i; 0; end

#to_s ⇒ Object 



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# File 'lib/nullobject.rb', line 11

def to_s; ""; end