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Co-authored-by: Bambu <byrr113@gmail.com>
devBambu
reviewed
Jan 9, 2026
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| for i in introducibleArray { | ||
| switch i { | ||
| case is Cat: | ||
| let cat = i as! Cat | ||
| print(cat.meow()) | ||
| case is Dog: | ||
| let dog = i as! Dog | ||
| print(dog.bark()) | ||
| case is Robot: | ||
| let robot = i as! Robot | ||
| print(robot.charge()) | ||
| default: | ||
| print("해당없음") | ||
| } | ||
| } |
Collaborator
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저는 if문으로 처리했었는데 switch문이 훨씬 직관적으로 이해하기 쉬운 것 같네요! 참고하고 갑니당ㅎㅎ
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| protocol Introducible { | ||
| var name: String { get set } | ||
| func introduce() -> String | ||
| } |
Collaborator
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name 프로퍼티를 { get set }으로 선언하신 이유가 있으실지 궁금합니다..!
프로토콜을 채택한 객체 내에서 name을 따로 연산 프로퍼티로 사용하거나 하시진 않은 것 같아 여쭈어봅니당..ㅎㅎ
프로퍼티 선언 시 { get set }으로 선언을 하면 프로토콜을 채택한 객체에서 해당 프로퍼티는 var로만 선언 가능하여 구현의 자유도가 떨어진다고 하더라고요.(let으로 선언 불가능) 좀더 자유로운 구현을 위해 제한 사항을 덜어주는 게 어떨까 말씀드려봅니다..!
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앗 예슬님도 프로토콜 채택 객체들 class로 선언해주신 걸로 확인했습니당...!! 저도 예슬님 코드처럼 수정했어요...😂😂
클래스에 채택하면 프로토콜 타입으로 인스턴스 생성 시 name 값 변경이 불가능하네요.. 하핳 위의 제 의견은 무시해주십셔..👉👈
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