Learn how to create structs, handle Optionals, and check program correctness using XCTest framework.
Watch the tutorial here: https://youtu.be/VShC0kUcVgA
For more, please visit https://uwapp.dev
Resources
Source Code: https://github.com/UWAppDev/SwiftUI-FoodTracker
Data You Can Trust: https://developer.apple.com/videos/play/wwdc2018/222/