class FactoryBot::Evaluation

def create(result_instance)
  case @to_create.arity
  when 2 then @to_create[result_instance, @evaluator]
  else @to_create[result_instance]
  end
end

def initialize(evaluator, attribute_assigner, to_create, observer)
  @evaluator = evaluator
  @attribute_assigner = attribute_assigner
  @to_create = to_create
  @observer = observer
end

def notify(name, result_instance)
  @observer.update(name, result_instance)
end