class - Apps Developer Blog

August 3, 2020 by Sergey Kargopolov 0 comments

Singleton Class in Swift

The Singleton design pattern guarantees that only one object of a class will exist in a system. // Creating a Singleton // Only one instance of this class can be created class CloudCodeExecutor { // Declare class instance property static let sharedInstance = CloudCodeExecutor() // Declare an initializer // Because this class is singleton only…

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…