Factorial operation with csharp 8 in a functional style (no Tail Call, no TCO)

Factorial.cs

using System;
using static System.Console;

namespace Snippets
{
    static class Program
    {
        static void Main()
        {
            static long Fact(long x)
            {
                static long SelfCall(long x, Func<long> f) =>
                    x switch
                    {
                        0 => f(),
                        _ => SelfCall(x - 1, () => x * f())
                    };
                return SelfCall(x, () => 1);
            }
            (0..10).ForEach(i => WriteLine($"{i:d2}! = {Fact(i)}"));
        }
		
	public static void ForEach(this Range range, Action<int> action)
        {
            if (range.Start.IsFromEnd || range.End.IsFromEnd)
            {
                throw new ArgumentException(null, nameof(range));
            }

            int start = range.Start.Value;
            int end = range.End.Value;

            if (start == end)
            {
                throw new ArgumentException(null, nameof(range));
            }

            if (start < end)
            {
                while(start <= end)
                {
                    action(start);
                    start++;
                }
            }
            else
            {
                while(start >= end)
                {
                    action(start);
                    start--;
                }
            }
        }
    }
}