기초가 많이 부족함을 느끼고, 프로토콜을 공부해보았다!! https://lin-ing-link.tistory.com/34 [iOS] 프로토콜 (1) Protocols A protocol defines a blueprint of methods, properties, and other requirements that suit a particular task or piece of functionality. The protocol can then be adopted by a class, struct.. lin-ing-link.tistory.com