arriqaaq

type Person struct {
    Name string
    Age  int
}

func (p *Person) Greet() string {
    return "Hello, my name is " + p.Name
}

originalPerson := &Person{Name: "John", Age: 30}

arriqaaq

type Person struct {
    Name string
    Age  int
}

func (p *Person) Greet() string {
    return "Hello, my name is " + p.Name
}

originalPerson := &Person{Name: "John", Age: 30}

arriqaaq

type Car struct {
    Brand string
    Model string
}

func (c *Car) Drive() string {
    return "Vroom vroom!"
}

originalCar := &Car{Brand: "Tesla", Model: "Model S"}

arriqaaq

type Car struct {
    Brand string
    Model string
}

func (c *Car) Drive() string {
    return "Vroom vroom!"
}

originalCar := &Car{Brand: "Tesla", Model: "Model S"}

arriqaaq

myCarFactory := CarFactory{}
myCarFactory.SetPrototype(SportsCar{})
myCar := myCarFactory.Create()

arriqaaq

type Car interface {
  Drive() string
}

type SportsCar struct {}

func (s SportsCar) Drive() string {
  return "Vroom vroom!"
}

arriqaaq

type Car interface {
    Drive() string
}

type SportsCar struct{}

func (s SportsCar) Drive() string {
    return "Vroom vroom!"
}

arriqaaq

type carFactory struct {}

func (c carFactory) Create(carType string) Car {
    if carType == "sports" {
        return SportsCar{}
    } else if carType == "suv" {
        return SUV{}
    }
    return nil
}

arriqaaq

type Car interface {
  Drive() string
}

type SportsCar struct {}

func (s SportsCar) Drive() string {
  return "Vroom vroom!"
}

arriqaaq

type Dog struct {
  Name string
  Age int
  Breed string
}

func NewDog(name string) *Dog {
  return &Dog{
    Name: name,
    Age: 0,