Announcing New Course: Applications of Custom Property Wrappers!

Announcing new Pro Course: Applications of Custom Property Wrappers!

Property wrappers are a new Swift feature introduced in Swift 5.1 that let you supercharge regular properties in your code.

Learn how to craft your own custom property wrappers to create some cool and awesome functionality in our new Applications of Custom Property Wrappers course!

Keep reading to hear more about it from course instructor Jari Koopman:

Why should I take your course on custom property wrappers?

"Running into problems where you have to write the same code over and over in didSet, willSet or your initializers? Do I have the solution for you! Learn everything you need to know to create your very own property wrappers, and use them to avoid repetition and add cool new functionality to your Swift properties."

How can this course help with a common pain point in Swift development?

"At some point, every programmer will have heard about DRY: Don't Repeat Yourself. Property wrappers are a great way to extract common logic applied to properties into a central place, including, but not limited to, storing Codable values in UserDefaults, sanitizing values, validating values or automatically notifying listeners when new values are set."

Can you please share a cool tip about property wrappers with us?

"Did you know you can create property wrappers that access the class their wrapped property is defined in? In the code below, AwesomeWrapper will have access to the instance of AwesomeClass when its wrappedValue getter or setter is called:"

Hey — the new Ultimate Subscription gets you access to both videos and books, all in the same subscription. Interested? Click here to learn more ➜

Jari's Applications of Custom Property Wrappers course is available for Pro subscribers now!

— Ray