Class: Mal::OnlyT

Inherits:
Object
  • Object
show all
Defined in:
lib/mal.rb

Direct Known Subclasses

ArrayT, EitherT, HashT, LengthT, NilT, ObjectT, SatisfyingT, UnionT, ValueT

Instance Method Summary collapse

Constructor Details

#initialize(matchable) ⇒ OnlyT

Returns a new instance of OnlyT.



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# File 'lib/mal.rb', line 66

def initialize(matchable)
  @matchable = matchable
end

Instance Method Details

#&(another) ⇒ Object 



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# File 'lib/mal.rb', line 86

def &(another)
  if another.is_a?(AnythingT)
    self
  else
    UnionT.new(self, another)
  end
end

#===(value) ⇒ Object 



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# File 'lib/mal.rb', line 70

def ===(value)
  @matchable === value
end

#inspect ⇒ Object 



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# File 'lib/mal.rb', line 74

def inspect
  'Only(%s)' % @matchable.inspect
end

#|(another) ⇒ Object 



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# File 'lib/mal.rb', line 78

def |(another)
  if another.is_a?(AnythingT)
    another
  else
    EitherT.new(self, another)
  end
end