Protocols, Delegation & SwiftUI2.0

Mixing Protocol Programming with Declarative Coding

A simple app that synchronises the colour of the text/square using a delegate invoked with a tap gesture

There are dozens of programming paradigms with many languages supporting multiple ones. Swift is no exception and supports objected oriented coding with classes and inheritance, declarative coding with SwiftUI with states and protocol oriented programming with protocols and generic types. Indeed Swift’s support for the…