Technical requirements
The Xcode playground for this chapter is in the Chapter06
folder of the code bundle for this book, which can be downloaded here:
https://github.com/PacktPublishing/iOS-18-Programming-for-Beginners-Eighth-Edition
Check out the following video to see the code in action:
To be added later
If you wish to start from scratch, create a new playground and name it FunctionsAndClosures
.
You can type in and run all the code in this chapter as you go along. Let's start by learning about functions.