// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002587/sbyte-notin

​

// @nuget: Z.ExtensionMethods

​

using System;

public class Program

{

    public static void Main()

    {

        sbyte searchVal = -12;

​

        // C# Extension Method: SByte - NotIn

        Display(searchVal, searchVal.NotIn(127, 35, 0, -12, -127));

        Display(searchVal, searchVal.NotIn(127, 35, 0, -13, -127));

    }

    public static void Display(object searchVal, bool status)

    {

        if(status)

        {

            Console.WriteLine("{0} is not in the list.", searchVal);

        }

        else

        {

            Console.WriteLine("{0} is in the list.", searchVal);

        }

    }

}