using System;

public class Program

{

    public static void Main()

    {

        //https://www.c-sharpcorner.com/article/modern-c-sharp-in-2025-what-you-should-be-using-and-what-to-retire/

        //C# 12 feature

        Span<int> numbers = stackalloc int[5] {1,2,3,4,5};

        Span<int> sub = numbers.Slice(1,3); //[2,3,4]

        foreach(var num in sub)

            Console.WriteLine(num);

    }

}