// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002434/int64-abs

​

// @nuget: Z.ExtensionMethods

​

using System;

public class Program

{

    public static void Main()

    {

        Int64[] values = { Int64.MaxValue, 15000, 10000, 2500, 1, 0, -7, -30, -365, -1000, -2500, -10000, -15000, -Int64.MaxValue };

        Console.WriteLine("{0,-30}{1,-30}","Int32", "Abs");

        Console.WriteLine("{0,-30}{1,-30}","-----", "---");

        foreach (Int64 value in values)

        {

            // C# Extension Method: Int64 - Abs

            Console.WriteLine("{0,-30}{1,-30}", value, value.Abs());

        }

    }

}