// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002568/object-try

​

// @nuget: Z.ExtensionMethods

​

using System;           

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        var list = new List<int>();

        list.Add(1);

        int result1;

        int result2;

        int result3;

​

        // C# Extension Method: Object - Try

        Console.WriteLine(list.Try(x => x[0]));

        Console.WriteLine(list.Try(x => x[1]));

        Console.WriteLine(list.Try(x => x[1], -1));

        Console.WriteLine(list.Try(x => x[0], out result1));

        Console.WriteLine(list.Try(x => x[1], out result2));

        Console.WriteLine(list.Try(x => x[1], -1, out result3));

        Console.WriteLine(list.Try(x => x[1], ints => -2));

        Console.WriteLine(list.Try(x => x.Add(2)));

        Console.WriteLine(list.Try(x => { throw new Exception("exception!"); }, x => x.Add(3)));

​

        Console.WriteLine(result1);

        Console.WriteLine(result2);

        Console.WriteLine(result3);

    }

}