Often we create custom classes like Person or Address and then need to compare if the two instances of this class or Objects are equal. With this Swift code example, I would like to share with you how to compare two objects of a custom class you create by making a custom class conform to…
Read More Comparable protocol. Compare custom objects.In this short Swift code example, we will learn how new functionality to using Swift class using the class extension. Declare an object of String data type and add to it our own custom function, Add our own function to an existing Int class in Swift import UIKit class ViewController: UIViewController { override func viewDidLoad()…
Read More Swift Class Extension ExampleThe 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…
Read More Singleton Class in SwiftBelow are a few code examples of how to create a new class in Swift. Empty class class Person { } Class with an initializer class Person { var name: String var age:Int init(age: Int, name: String) { self.age = age self.name = name } } let person = Person(age: 30, name: “Sergey”) Class with…
Read More Create a New Class in SwiftThe 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…
Read More Extending Classes in Swift. Class extension.The below Swift code example demonstrates how to implement the Singleton Design Pattern in Swift. Singleton Design Pattern guarantees that only one Object of a class exists in the system even if a developer attempts to create multiple instances of it. Singleton Class example in Swift // Creating Singleton // Only one instance of this…
Read More Singleton Class in Swift. Code Example.In Swift, a class or a struct can have multiple initializers which are used to create an instance of that particular type and set up its initial state. The code examples below show how to define a class with single or multiple initializers and how to create an instance of that class. Single Initializer class…
Read More Swift Class with Single and Multiple Initializers