Module: Option::None

Includes:
Contracts::Core, Trither::BasicTypes
Defined in:
lib/trither/option.rb,
lib/trither/option.rb

Constant Summary

Constants included from Trither::BasicTypes

Trither::BasicTypes::C, Trither::BasicTypes::Func0, Trither::BasicTypes::Func1, Trither::BasicTypes::Predicate

Class Method Summary collapse

Class Method Details

.empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/trither/option.rb', line 51

def self.empty?
  true
end

.fetch(default) ⇒ Object 



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# File 'lib/trither/option.rb', line 61

def self.fetch(default)
  default
end

.filter ⇒ Object 



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# File 'lib/trither/option.rb', line 56

def self.filter
  self
end

.flat_map ⇒ Object 



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# File 'lib/trither/option.rb', line 71

def self.flat_map
  self
end

.get_or_else ⇒ Object 



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# File 'lib/trither/option.rb', line 81

def self.get_or_else
  yield
end

.map ⇒ Object 



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# File 'lib/trither/option.rb', line 66

def self.map
  self
end

.or_else ⇒ Object 



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# File 'lib/trither/option.rb', line 76

def self.or_else
  yield
end