// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002473/object-tobooleanordefault

​

// @nuget: Z.ExtensionMethods

​

using System;

public class Program

{

    public static void Main()

    {

        object thisValid = true;

        object thisInvalid = "FizzBuzz";

        string format = "{0, -20} {1, -15}";

        Console.WriteLine(format, "Object", "ToBooleanOrDefault");

        Console.WriteLine(format, "------", "------------------");

        // C# Extension Method: Object - ToBooleanOrDefault

        Console.WriteLine(format, thisValid, thisValid.ToBooleanOrDefault());

        Console.WriteLine(format, thisInvalid, thisInvalid.ToBooleanOrDefault());

        Console.WriteLine(format, thisInvalid, thisInvalid.ToBooleanOrDefault(false));

        Console.WriteLine(format, thisInvalid, thisInvalid.ToBooleanOrDefault(() => false));

    }

}