When you’re learning how to write software using Swift or when you’re first learning how to develop an iOS application, the book that’s helping you generally starts at zero, often referred to as the “Hello World” application.
This is not that kind of book. For us to explore Core Data a certain level of knowledge is necessary—a foundation of knowledge that we can build upon.
This book expects that you understand the fundamentals of Swift. It’s written in a such a way that you don’t need to be a master of Swift. We aren’t going to be doing any complex coding using the unusual bits of Swift. We’re intentionally avoiding those.
The focus of this book is to increase your knowledge of Core Data while working in the Swift environment. ...