Chapter 18. Adopting Design Patterns in Swift
While the first publication of the Gang of Four's Design Patterns: Elements of Reusable Object-Oriented Software was released in October 1994, I have only been paying attention to design patterns for the past nine or ten years. Similar to most experienced developers, when I first started reading about design patterns, I recognized a lot of them because I had already been using them without realizing what they were. I would have to say that in the past nine or ten years, since I first read about design patterns, I have not written a serious application without using at least one of the Gang of Four's design patterns. I will tell you that I am definitely not a design pattern zealot, and if I get into a conversation about design patterns, there are usually only a couple of them that I can name without having to look them up. However, what I do remember are the concepts behind the major patterns and the problems they are designed to solve. This way...