Анонимные функции в LINQ.cs

using System.Runtime.CompilerServices;
using System.Threading.Channels;

class Program
{
    static void Main(string[] args)
    {
        List<int> nums = new();
        Generate(nums);
        var nums2 = nums.Where(IsMoreThanFive);
        var nums3 = nums.Where(num => num > 5);

        var nums4 = Where(nums, num => num > 5);
        var nums5 = Where(nums, IsMoreThanFive);
        
        Print(nums2);
        Print(nums3);
        Print(nums4);
        Print(nums5);
    }

    private static bool IsMoreThanFive(int number)
    {
        return number > 5;
    }

    private static IEnumerable<int> Where(IEnumerable<int> list, Predicate<int> predicate)
    {
        var newList = new List<int>();

        foreach (var item in list)
        {
            if(predicate(item))
            {
                newList.Add(item);
            }
        }

        return newList;
    }

    private static void Print(IEnumerable<int> numbers)
    {
        Console.WriteLine("---------------------");
        foreach (var item in numbers)
        {
            Console.WriteLine(item);
        }
    }

    private static void Generate(List<int> numbers)
    {
        for (int i = 0; i < 10; i++)
        {
            numbers.Add(i);
        }
    }
}