回答編集履歴
2
コードの修正
test
CHANGED
@@ -1,34 +1,40 @@
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Swiftは普段あまり触らないので、話半分くらいに見ていただきたいですが……
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Dec 2, 2019 9:55pm追記: Macを触れる環境に来たので修正しました
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```swift
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// MARK: -
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class Car {
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var name: String
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var name: String
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var wheelsQty: Int
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var wheelsQty: Int
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init(name: String) {
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init(name: String) {
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self.name = name
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self.name = name
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self.wheelsQty = 4
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self.wheelsQty = 4
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}
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}
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func run() {
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func run() {
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print("Go ahead (self.name), zoom-zoom!")
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}
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}
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}
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@@ -38,19 +44,19 @@
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class Bike: Car {
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var hasSidecar: Bool
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init(name: String, hasSidecar: Bool) {
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init(name: String, hasSidecar: Bool) {
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self.hasSidecar = hasSidecar
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self.hasSidecar = hasSidecar
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se
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super.init(name: name)
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self.wheelsQty = 2
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}
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}
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}
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@@ -60,25 +66,25 @@
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class Truck: Car {
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var specialSigns: Array<String>
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init(name: String, specialSigns: Array<String>) {
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init(name: String, specialSigns: Array<String>) {
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self.specialSigns
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self.specialSigns = specialSigns
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super.init(name: name)
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}
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override run() {
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print("Vrrr, Vrrrr, Vrrrrrrom!!!!")
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override func run() {
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print("Vrrr, Vrrrr, Vrrrrrrom!!!!")
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}
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}
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}
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@@ -86,55 +92,39 @@
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// MARK: -
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class
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class ViewController: UIViewController {
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required init?(coder: NSCoder) {
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super.init(coder: coder)
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let canter = new Truck(name: "CANTER", specialSigns: ["危", "毒"])
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let elf: Car = new Truck(name: "ELF", specialSigns: [])
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}
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override func viewDidLoad() {
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print("(touring.hasSidecar)") // -> true
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print("(hayabusa.hasSidecar)") // -> ERROR
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touring
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let touring = Bike(name: "Touring", hasSidecar: true)
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hayabusa
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let hayabusa: Car = Bike(name: "Hayabusa", hasSidecar: true)
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canter
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let canter = Truck(name: "CANTER", specialSigns: ["危", "毒"])
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elf
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let elf: Car = Truck(name: "ELF", specialSigns: [])
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override func viewDidLoad() {
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print
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print("(touring.hasSidecar)") // -> true
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print("(hayabusa.hasSidecar)") // -> ERROR
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printCurrentFavorite() // -> My favorite is Hayabusa, this is a Car
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}
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print("(canter.specialSigns)") // -> ["危", "毒"]
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print("(elf.specialSigns)") // -> ERROR
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print("My favorite is (self.myFavoriteCar.name), this is a (type(of: self.myFavoriteCar))")
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}
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}
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}
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1
typo修正とコメント追加
test
CHANGED
@@ -1,3 +1,7 @@
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1
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+
Swiftは普段あまり触らないので、話半分くらいに見ていただきたいですが……
|
2
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+
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3
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+
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4
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+
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1
5
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```swift
|
2
6
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3
7
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// MARK: -
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@@ -92,7 +96,7 @@
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let elf: Car = new Truck(name: "ELF", specialSigns: [])
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var myFavoriteCar
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var myFavoriteCar = some Car
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func printCurrentFavorite() {
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print("My favorite is (self.myFavoriteCar.name), this is a (type(of: a))")
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print("My favorite is (self.myFavoriteCar.name), this is a (type(of: self.myFavoriteCar))")
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}
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