class Person {
let name: String
init(name: String) {
self.name = name
print("\(name) is being initialized")
}
deinit {
print("\(name) is being deinitialized")
}
}
var reference1: Person?
var reference2: Person?
var reference3: Person?
reference1 = Person(name: "Dicoding indonesia")
// Prints "Dicoding Indonesia is being initialized"
reference2 = reference1
reference3 = reference1
reference1 = nil
reference2 = nil
reference3 = nil
// Prints "Dicoding indonesia is being deinitialized"
class Person {
let name: String
init(name: String) { self.name = name }
var apartment: Apartment?
deinit { print("\(name) is being deinitialized") }
}
class Apartment {
let unit: String
init(unit: String) { self.unit = unit }
var tenant: Person?
deinit { print("Apartment \(unit) is being deinitialized") }
}
var memberDicoding: Person?
var dicodingSpace: Apartment?
memberDicoding = Person(name: "Gilang Ramadhan")
dicodingSpace = Apartment(unit: "Dicoding Academy")
memberDicoding!.apartment = dicodingSpace
dicodingSpace!.tenant = memberDicoding
memberDicoding = nil
dicodingSpace = nil
class Person {
let name: String
init(name: String) { self.name = name }
var apartment: Apartment?
deinit { print("\(name) is being deinitialized") }
}
class Apartment {
let unit: String
init(unit: String) { self.unit = unit }
weak var tenant: Person?
deinit { print("Apartment \(unit) is being deinitialized") }
}
var memberDicoding: Person?
var dicodingSpace: Apartment?
memberDicoding = Person(name: "Gilang Ramadhan")
dicodingSpace = Apartment(unit: "Dicoding Academy")
memberDicoding!.apartment = dicodingSpace
dicodingSpace!.tenant = memberDicoding
memberDicoding = nil
// Prints "Gilang Ramadhan is being deinitialized"
dicodingSpace = nil
// Prints "Apartment Dicoding Academy is being deinitialized"
class Person {
let name: String
var number: PhoneNumber?
init(name: String) {
self.name = name
}
deinit { print("\(name) is being deinitialized") }
}
class PhoneNumber {
let number: UInt64
unowned let owner: Person
init(number: UInt64, owner: Person) {
self.number = number
self.owner = owner
}
deinit { print("Phone number +\(number) is being deinitialized") }
}
var memberDicoding: Person?
memberDicoding = Person(name: "Gilang Ramadhan")
memberDicoding!.number = PhoneNumber(number: 62810_8108_1081, owner: memberDicoding!)
memberDicoding = nil
// Prints "Gilang Ramadhan is being deinitialized"
// Prints "Phone number +6281081081081 is being deinitialized"
