Class: Kind::Either::Left

Inherits:
Either::Monad
  • Object
show all
Defined in:
lib/kind/either/left.rb

Instance Method Summary collapse

Instance Method Details

#inspect ⇒ Object 



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# File 'lib/kind/either/left.rb', line 25

def inspect
  '#<%s value=%p>' % ['Kind::Left', value]
end

#left? ⇒ Boolean

Returns:



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# File 'lib/kind/either/left.rb', line 5

def left?
  true
end

#map(&_) ⇒ Object Also known as: map!, then, then!, and_then, and_then! 



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# File 'lib/kind/either/left.rb', line 15

def map(&_)
  self
end

#value_or(default = UNDEFINED, &block) ⇒ Object 



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# File 'lib/kind/either/left.rb', line 9

def value_or(default = UNDEFINED, &block)
  Error.invalid_default_arg! if UNDEFINED == default && !block

  UNDEFINED != default ? default : block.call(value)
end