The keyword guard has been introduced in Swift 2.0. It was a little bit inconspicuous at the first sight, but it has a lot of power. In this article we will take a look at three uses cases for guard.
The so-called Nil Coalescing Operator is an interesting operator that you can use for working with optionals.
So imagine the following situation: You have an optional value
A calculator app is a great example for a simple iOS application. In this tutorial series we will cover all steps to build one.
This will be a four part tutorial that will cover everything