Class: Apply

Inherits:
Combinator show all
Defined in:
lib/hivemind/combinators.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Combinator

#&, #|

Constructor Details

#initialize(parser, &transformation) ⇒ Apply

Returns a new instance of Apply.



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# File 'lib/hivemind/combinators.rb', line 173

def initialize(parser, &transformation)
  @parser, @transformation = parser, transformation
end

Instance Attribute Details

#parser ⇒ Object

Returns the value of attribute parser.



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# File 'lib/hivemind/combinators.rb', line 170

def parser
  @parser
end

#transformation ⇒ Object (readonly)

Returns the value of attribute transformation.



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# File 'lib/hivemind/combinators.rb', line 171

def transformation
  @transformation
end

Instance Method Details

#parse(input, refs) ⇒ Object 



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# File 'lib/hivemind/combinators.rb', line 177

def parse(input, refs)
  success, result, remaining = @parser.parse(input, refs)
  result = @transformation.call(result) if success
  [success, result, remaining]
end