class - Apps Developer Blog

August 3, 2020 by Sergey Kargopolov 0 comments

Singleton Class in Swift

In this tutorial, you will learn how to implement the Singleton design pattern in Swift. Introduction to Singleton Design Pattern The Singleton design pattern guarantees that only one object of a class will exist in a system. This is done in Swift by creating a class with a private initializer. The private initializer ensures that…

September 28, 2019 by Sergey Kargopolov 0 comments

Extending Classes in Swift. Class extension.

The below code example in Swift demonstrates how you can extend classes in Swift. Extending Class in Swift As an example, let’s learn how we can extend class Int. Create a new Swift file in your current project and add there the following extension with a function that substructs a value. extension Int { func…