Swift was announced three weeks ago. Since then, I have been reading the Swift’s official guide and playing around with it in Xcode 6 beta. I started to love the simplicity and syntax of Swift. Along with my team, I am still studying the new language and see how it compares with Objective-C, a 30-year-old programming language. At the same time, we’re working really hard to see how we can teach beginner and help the community to pick up Swift effortlessly.
Two weeks ago, we covered the basics of Swift. In coming weeks, we’ll write a series of tutorials to cover a number of new features in Swift. This week, let’s first take a look at optionals.