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protocol Country { | |
func accept(visitor: CountryVisitor) | |
} | |
protocol CountryVisitor { | |
func visit(country: India) | |
func visit(country: Brazil) | |
func visit(country: China) | |
} |
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protocol Office { | |
func officeSchedule() | |
} | |
protocol Employee { | |
func work() | |
func getPaid() | |
} |
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protocol Strategy { | |
func convert(number: Int) | |
} | |
class Convert { | |
var strategy: Strategy | |
var number: Int | |
init(number: Int, strategy: Strategy) { |
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protocol Human { | |
// MARK: - Getter | |
func getState() -> ManState | |
// MARK: - Setter | |
func set(state: ManState) | |
} | |
protocol ManState { | |
func stand() |
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protocol Observable { | |
func add(customer: Observer) | |
func remove(customer : Observer) | |
func notify() | |
} | |
protocol Observer { | |
var id: Int { get set } | |
func update() |
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import UIKit | |
typealias MementoType = [String: Any] | |
protocol Memento: class { | |
var key: String { get set } | |
var state: MementoType { get set } | |
func save() |
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protocol Receiver { | |
var name: String { get } | |
func receive(message: String) | |
} | |
protocol Sender { | |
var teams: [Receiver] { get set } | |
func send(message: String, sender: Receiver) | |
} |
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struct MyBestFilms: Sequence { | |
let films: [String] | |
func makeIterator() -> MyBestFilmsIterator { | |
return MyBestFilmsIterator(films) | |
} | |
} | |
struct MyBestFilmsIterator: IteratorProtocol { |
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protocol Command { | |
func execute() | |
} | |
class ConcreteCommand: Command { | |
var colorReceiver: ColorReceiver | |
init(colorReceiver: ColorReceiver) { | |
self.colorReceiver = colorReceiver |
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enum Level: Int { | |
case state = 1 | |
case national = 2 | |
case international = 3 | |
} | |
class Sports { | |
var level: Level | |
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