Class: Kleisli::Maybe::None

Inherits:
Kleisli::Maybe show all
Defined in:
lib/kleisli/maybe.rb

Instance Attribute Summary

Attributes inherited from Kleisli::Maybe

#value

Instance Method Summary collapse

Methods inherited from Kleisli::Maybe

#*, #==, lift

Methods inherited from Kleisli::Monad

#>>

Instance Method Details

#>(block) ⇒ Object



33
34
35
# File 'lib/kleisli/maybe.rb', line 33

def >(block)
  self
end

#fmap(&f) ⇒ Object



29
30
31
# File 'lib/kleisli/maybe.rb', line 29

def fmap(&f)
  self
end

#or(other = self, &other_blk) ⇒ Object



37
38
39
40
41
42
43
# File 'lib/kleisli/maybe.rb', line 37

def or(other=self, &other_blk)
  if other_blk
    other_blk.call
  else
    other
  end
end

#to_sObject Also known as: inspect



45
46
47
# File 'lib/kleisli/maybe.rb', line 45

def to_s
  "None"
end