class_vs_struct_example_2_in_swift.swift

class Dog {
  let name: String
  var age: Int
  var breed: String
  
  init(name: String, age: Int, breed: String) {
    self.name = name
    self.age = age
    self.breed = breed
  }
}

var dog1 = Dog(name: "Jerry", age: 2, breed: "Poodle")
var dog2 = dog1

dog2.name = "JaneDony" //we assign a new name to dog2 and this will automatically change dog1 name too since they are reference
dog1.name //will be equal to :::"JaneDony"