AppleCEO

var directionToHead: CompassPoint
directionToHead = .south
switch directionToHead {
case .north:
    print("Lots of planets have a north")
case .south:
    print("Watch out for penguins")
case .east:
    print("Where the sun rises")
case .west:

AppleCEO

let somePlanet = Planet.earth
switch somePlanet {
case .earth:
    print("Mostly harmless")
default:
    print("Not a safe place for humans")
}
// Prints "Mostly harmless"

AppleCEO

enum Beverage: CaseIterable {
    case coffee, tea, juice
}
let numberOfChoices = Beverage.allCases.count
print("\(numberOfChoices) beverages available")
// Prints "3 beverages available"

AppleCEO

for beverage in Beverage.allCases {
    print(beverage)
}
// coffee
// tea
// juice

AppleCEO

enum JsonType {
    case int(Int)
    case string(String)
    case bool(Bool)
    case object([String: JsonType])
    case array([JsonType])
}

AppleCEO

var jsonInt: JsonType = JsonType.int(3)
jsonInt = JsonType.int(4)
var jsonString = JsonType.string("hi")
var jsonBool = JsonType.bool(false)
var jsonObject = JsonType.object(["예제": jsonBool])
var jsonArray = JsonType.array([jsonInt, jsonString, jsonBool, jsonObject])

AppleCEO

enum Barcode {
    case upc(Int, Int, Int, Int)
    case qrCode(String)
}

AppleCEO

var productBarcode = Barcode.upc(8, 85909, 51226, 3)
productBarcode = .qrCode("ABCDEFGHIJKLMNOP")

AppleCEO

enum DevideCharacter: Character {
    case squareBracketOpen = "["
    case squareBracketClose = "]"
    case curlyBracketOpen = "{"
    case curlyBracketClose = "}"
    case colon = ":"
    case whiteSpace = " "
    case comma = ","
}

AppleCEO

if input.first == DevideCharacter.squareBracketOpen.rawValue {
  print("첫 글자는 열리는 대괄호")  
}