Class_vs_Struct.swift

import Foundation

// Class vs Struct

// reference vs value type
// Class supports inheritance, struct don't support inheritance
// Class supports ARC, in struct you don't have to worry about memory.
// Structs are thread safe
// Only class provides objective c interoperability
// Class provides built in identity operator ===
// Class can be deinitialized
// In case of struct compiler take care of initializer if not provided

class Person {
    var name : String
    weak var address: Address?
    
    init(_ name: String) {
        self.name = name
    }
    
    deinit {
        print("Person class is deinitialiased")
    }
    
    func doSomething() {
        self.name = "rahul"
    }
}


class Address {
    var address : String
    var person : Person?
    
    init(_ address: String) {
        self.address = address
    }
    
    deinit {
        print("Address class is deinitialiased")
    }
}


var address : Address? = Address("Pune")
address?.address = ""

var person : Person? = Person("Rahul")

person?.address = address
address?.person = person

person = nil
address = nil


struct B {
    var b : String
    
    mutating func doSomething() {
        self.b = ""
    }
}

var bObject = B(b: "")

bObject.b = "e"