Module: UnaryOperator

Included in:
NilOperator, NotOperator
Defined in:
lib/json_expr/operators/unary_operator.rb

Instance Method Summary collapse

Instance Method Details

#evaluate(evaluator, args) ⇒ Object 



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# File 'lib/json_expr/operators/unary_operator.rb', line 4

def evaluate(evaluator, args)
  arg = evaluator.evaluate(args)
  unary(evaluator, arg)
end

#unary(evaluator, arg) ⇒ Object

This method is abstract.

method

Raises:

  • (NotImplementedError) 


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# File 'lib/json_expr/operators/unary_operator.rb', line 10

def unary(evaluator, arg)
  raise NotImplementedError.new("You must implement unnnary method.")
end