Does Swift have a null coalescing operator and if not, what is an example of a custom operator?

Question

A common feature in many languages, the Null Coalescing Operator, is a binary operator often used to shorten expressions of the type:

x = possiblyNullValue N         


        

Answer 1

You can check with playground code below.

import UIKit
var personalSite : String?
let defaultSite = "http://www.google.com"

var website = personalSite ?? defaultSite