danielhunex

using System;
using System.Text;
using System.Collections.Generic;

namespace WordWrapper
{
    public class Program
    {

        /***

danielhunex

Optional Chaining

-Enables to immediately return undefined in object chaining if a null or undefined is encountered. ?. is the symbol to achieve this. Example #1

const customer :{
    customerId: number,
    firstName?: string,
 lastName?:string,

danielhunex

 
public class HelloContext
{
   private ISomething _smh ; 
     void Foo(string key)
    {
       switch(key)
        {
 case "A":