def number_of_arguments(method_sexp)
      arguments = method_sexp[2]
      arguments = arguments[1] if arguments.first == :paren

      arguments[1] == nil ? 0 : arguments[1].size
    end
def number_of_arguments(method_sexp)
      arguments = method_sexp[2]
      arguments = arguments[1] if arguments.first == :paren

      arguments[1] == nil ? 0 : arguments[1].size
    end
MOVE
 to method scanner class