Swift - enum 케이스 나누기

enum 케이스 나누기

학교를 선언

enum School {
	case elementary
	case middle
	case high
}

아래처럼 선언해도 된다.

enum School {
	case elementary, middle, high
}

let yourSchool = School.elementary

print("yourSchool : \(yourSchool)")
// yourSchool : elementary

 

학년 선언

enum Grade : Int {
	case first = 1
	case second = 2
}

값

let yourGrade = Grade.second
// second

값을가지고 있는 값 rawValue

let yourGrade = Grade.second.rawValue
// 2

 

학교 상세

enum SchoolDetail {
	case elemantary(name: String)
	case middle(name: String)
	case high(name: String)
	
	func getName() -> String {
		switch self {
		case let .elemantary(name):
			return name
		case let .middle(name):
			return name
		case let .high(name):
			return name
		}
	}
}

아래처럼 작성 가능

enum SchoolDetail {
	case elemantary(name: String)
	case middle(name: String)
	case high(name: String)
	
	func getName() -> String {
		switch self {
		case .elemantary(let name):
			return name
		case .middle(let name):
			return name
		case .high(let name):
			return name
		}
	}
}

 

let yourMiddleSchoolName = SchoolDetail.middle(name: "mySchool")

print(yourMiddleSchoolName)
// middle(name: "mySchool")

값만 가지고 올 경우

print(yourMiddleSchoolName.getName())
// mySchool