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In support to blog post
class Person {
let name: String
init(name: String) { = name
deinit {
print("\(name) is being deinitialized")
class Apartment {
let number: Int
var person: Person?
init(number: Int) {
self.number = number
deinit {
print("Apartment \(number) is being deinitialized")
var person: Person? = Person(name: "John Doe")
var apartment: Apartment? = Apartment(number: 123)
apartment.person = person
person = nil
// output:
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