Programming without an overall architecture or design in mind is like exploring a cave with only a flashlight: You don’t know where you’ve been, you don’t know where you’re going, and you don’t know quite where you are.
—Danny Thorpe
If you are reading this book, you are probably an iOS developer already. This is not a book for beginners or developers who never touched Xcode in their lives.
And if you did build an app or two, you already worked with frameworks and modules.
In fact, you are using frameworks and libraries every ...