Class: RFunk::None

Inherits:
Option show all
Includes:
Singleton
Defined in:
lib/rfunk/maybe/none.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Option

inherited

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(_method, *_arguments, &_block) ⇒ Object 



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# File 'lib/rfunk/maybe/none.rb', line 33

def method_missing(_method, *_arguments, &_block)
  self
end

Class Method Details

.create(_) ⇒ Object 



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# File 'lib/rfunk/maybe/none.rb', line 6

def create(_)
  instance
end

.satisfies?(value) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rfunk/maybe/none.rb', line 10

def satisfies?(value)
  value.nil? || empty?(value)
end

Instance Method Details

#coerce(other) ⇒ Object 



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# File 'lib/rfunk/maybe/none.rb', line 37

def coerce(other)
  [other, 0]
end

#key ⇒ Object 



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# File 'lib/rfunk/maybe/none.rb', line 53

def key
  :none
end

#or(other) ⇒ Object 



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# File 'lib/rfunk/maybe/none.rb', line 25

def or(other)
  RFunk.option(other)
end

#pipe(&_block) ⇒ Object 



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# File 'lib/rfunk/maybe/none.rb', line 29

def pipe(&_block)
  self
end

#to_ary ⇒ Object 



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# File 'lib/rfunk/maybe/none.rb', line 45

def to_ary
  []
end

#to_hash ⇒ Object 



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# File 'lib/rfunk/maybe/none.rb', line 49

def to_hash
  {}
end

#to_str ⇒ Object 



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# File 'lib/rfunk/maybe/none.rb', line 41

def to_str
  ''
end

#value ⇒ Object 



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# File 'lib/rfunk/maybe/none.rb', line 21

def value
  RFunk::None.instance
end