using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Autofac;
namespace ConsoleApplication2
{
    public abstract class ahah
    {
        public virtual void lel() { }
    }

    public class Lol : ahah
    {
        public override void lel()
        {
            Console.Write("Lol->lel");
        }
    }

    public class Lol2 : ahah
    {
        public override void lel()
        {
            Console.Write("Lol2->lel");
        }
    }

    public class Lol3 : ahah
    {
        public override void lel()
        {
            Console.Write("Lol3->lel");
        }
    }

    public interface LolMe
    {
        string omg { get; }
    }

    class Program
    {
        private readonly IEnumerable<Lazy<ahah, LolMe>> p;

        public Program(IEnumerable<Lazy<ahah, LolMe>> a)
        {
            p = a.Where(x => x.Metadata.omg == "LolMe");
        }

        static void Main(string[] args)
        {
            var builder = new ContainerBuilder();

            builder.RegisterType<Program>();
            builder.Register(c => new Lol()).As<ahah>().WithMetadata<LolMe>(m => m.For(am => am.omg, "lolMe"));
            builder.Register(c => new Lol2()).As<ahah>().WithMetadata<LolMe>(m => m.For(am => am.omg, "lolMe2"));
            builder.Register(c => new Lol3()).As<ahah>().WithMetadata<LolMe>(m => m.For(am => am.omg, "lolMe"));

            using (var container = builder.Build())
            {
                container.Resolve<Program>().Run();
            }
        }

        public void Run()
        {
            foreach (var b in p)
            {
                b.Value.lel();
            }
        }
    }
}