Class: Ribimaybe::Maybe::Just

Inherits:
Object
  • Object
show all
Includes:
Contracts
Defined in:
lib/ribimaybe.rb,
lib/ribimaybe.rb

Instance Method Summary collapse

Constructor Details

#initialize(value) ⇒ Just

Returns a new instance of Just.



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# File 'lib/ribimaybe.rb', line 67

def initialize(value)
  @value = value
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/ribimaybe.rb', line 90

def ==(other)
  other.maybe(false) do |value|
    @value == value
  end
end

#apply(value) ⇒ Object Also known as: >> 



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# File 'lib/ribimaybe.rb', line 141

def apply(value)
  value.map { |v| @value.curry.(v) }
end

#bind(fn = nil, &block) ⇒ Object Also known as: >= 



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# File 'lib/ribimaybe.rb', line 159

def bind(fn = nil, &block)
  (fn || block).curry.(@value)
end

#map(&fn) ⇒ Object 



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# File 'lib/ribimaybe.rb', line 124

def map(&fn)
  Just.new(fn.curry.(@value))
end

#maybe(_, &fn) ⇒ Object 



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# File 'lib/ribimaybe.rb', line 109

def maybe(_, &fn)
  fn.curry.(@value)
end

#to_s ⇒ Object Also known as: inspect

Just string representation.



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# File 'lib/ribimaybe.rb', line 72

def to_s
  "Just(#{@value.inspect})"
end