using System;

using System.Threading.Tasks;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(Serialize(new uint[0]));

        Console.WriteLine(Serialize(new int[0]));

    }

    private static string Serialize(object input)

    {

        switch(input)

        {

            // and here comes my issue case

            case int[] value:

                if (input.GetType() == typeof(uint[]))

                    return "uint[]";

                return "int[]";

​

            default:

                return "default";

        }

    }

}