Production code is all about handling errors: programming errors, user input errors, asynchronous errors. This course covers the error fundamentals you need to know.

Did you know you can call C-malloc straight from Swift? Swift lets access the machine at its lowest level. This course will show you how.

Memory management works like magic most of the time - until it doesn't. Find out what you need to watch out for in this course.

Sequences, collections and algorithms in the Swift language are an amazing abstraction that you really need to know about. Learn the details in this course.

An idea central to Swift is to use types to guarantee correctness. Find out how in this course focused on types and operations.

Swift mutation model uses values and references to improve local reasoning and maintain performance. Find out the details in this course.

The generics system and protocols are the heart of the Swift language. Learn how it all fits together in this course.

Swift protocol oriented programming gives you the power of object oriented programming with better composability and without the baggage of class inheritance.

In Swift Code Katas you'll practice your most important skill as a developer - coding! Hone your skills with these challenges and become a better developer.

Find out what's new in the latest version of Swift, including Range, String, and Dictionary enhancements. If last year’s changes for Swift 3 still cause you uncontrollable night terrors, you’re in...