https://github.com/khaled-hamam/design-patterns-explained/blob/889c0ffec2a4ee35d762c3c423a056ff0a74656b/library/creational-patterns/factory/README.md#L36-L38 --- ###### This issue was generated by [todo](https://todo.jasonet.co) based on a `TODO` comment in 889c0ffec2a4ee35d762c3c423a056ff0a74656b when #69 was merged.