struct User {
    var fullName: String
    var email: String
    var age: Int
}

var someUser = User(fullName: "Pasan Premaratne", email: "pasan@teamtreehouse.com", age: 28)

var anotherUser = someUser

someUser.email = "pasan.premaratne@gmail.com"


class Person {
    var fullName: String
    var email: String
    var age: Int

    init(name: String, email: String, age:Int) {
        self.fullName = name
        self.email = email
        self.age = age
    }
}

var somePerson = Person(name: "Tim Cook", email: "tim.cook@gmail.com", age: 58)
var anotherPerson = somePerson
somePerson.email = "tcook@email.com"

anotherPerson.email








class Point {
    var x: Int
    var y: Int

    init(x: Int, y: Int) {
        self.x = x
        self.y = y
    }
}

class Machine {
    var location: Point

    init() {
        self.location = Point(x: 0, y: 0)
    }

    func move(_ direction: String) {
        print("Do nothing! I am a machine!")
    }
}

// Enter your code below

class Robot : Machine {


    override func move(_ direction: String) {
        switch direction {
        case "up": self.location.y += 1
        case "down": self.location.y -= 1
        case "left": self.location.x -= 1
        case "right": self.location.x += 1
        default: break
        }
    }

}