using System;

using System.Collections.Generic;

using System.Linq;

​

namespace Test;

​

public class Program

{

    public static void Test(IEnumerable<int> thebros)

    {

        var thelads = thebros.Where(lad => lad != 2);

        var thedude = thelads.Take(1);

        foreach (var dude in thedude)

        {

            Console.WriteLine($"dude: {dude}");

        }

        if (thelads.Any(lad => lad == 3))

        {

            foreach (var lad in thelads)

            {

                Console.WriteLine($"lad: {lad}");

            }

        }

    }

    public static IEnumerable<int> BroGenerator() // a.k.a. "broerator"

    {

        Console.WriteLine("generating 1");

        yield return 1;

        Console.WriteLine("generating 2");

        yield return 2;

        Console.WriteLine("generating 3");

        yield return 3;

        Console.WriteLine("generating 4");

        yield return 4;

    }

    public static void Main(string[] args)

    {

        Console.WriteLine("test 1");

        Console.WriteLine("========================");

        Console.WriteLine();

        Test(new List<int> { 1, 2, 3, 4 });

        Console.WriteLine();

        Console.WriteLine("test 2");

        Console.WriteLine("========================");

        Console.WriteLine();

        Test(BroGenerator());

    }

}

​