82 lines
1.7 KiB
Swift
82 lines
1.7 KiB
Swift
// https://carrascomolina.com
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import Playgrounds
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import Foundation
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protocol Vehicle {
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// name ist read-only
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var name: String {get}
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var color: String {get set}
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}
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protocol Garage {
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associatedtype V: Vehicle
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func park(vehicle: V)
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}
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struct BikeGarage: Garage {
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func park(vehicle: Bike){
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vehicle.emptyBasket()
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}
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}
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struct Train: Vehicle {
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var name: String
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var color = "white"
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var delay = 0 // nicht im protocol
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func delayed(minutes: Int) -> Train {
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var train = self
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train.delay = minutes
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return train
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}
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let makeSomeNoise = { (noise: String) -> String in
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noise.uppercased()
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}
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}
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struct ICE: Vehicle {
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var name = "ICE"
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var color = "white"
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}
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struct Bike: Vehicle, CustomStringConvertible {
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var name: String
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var color: String
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// newValue ist ein special keyword
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func emptyBasket(){
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print(description + " korb ausgekippt", Date())
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}
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var description: String {
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set { name = newValue }
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get {"A \(price)€ bike called \(name) and it is \(color)." }}
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static let trek = Bike(name: "Trek", color: "red" )
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var price: some Equatable {
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// switch (Int.random(in: 1...3)) {
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// case 1:
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// Double.random(in: 1000...9000)
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// case 2:
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// "Free"
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// default:
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Int.random(in: 100...900)
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// }
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}
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}
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#Playground {
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// var greeting = "Hallo Playground"
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var bike = Bike.trek
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var train = Train(name:"ICE")
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// bike.description
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// bike.description = "Mein Rad"
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// bike.description
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train
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train.delayed(minutes: 23)
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BikeGarage().park(vehicle: bike)
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print( bike)
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train.makeSomeNoise("huhu")
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// write code here
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}
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