I’m going to talk about “delegates” and “delegation.” I’ll lead you through a simple example of implementing the delegation design pattern in Swift 4, with full source code. My intent here is to show you how delegation works without getting bogged down in some crazy complex example. To help you become the best of the best, I’m going to introduce you to one of the greatest design tools to aid in object-oriented software development, UML. I’ll show you a UML diagram that I drew up to design and document the implementation of the delegation design pattern used in the sample … Continue reading Understanding Delegates and Delegation in Swift 4