LearningMVC/LanguageFeatures/Models/ShoppingCart.cs

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace LanguageFeatures.Models
{
	public class ShoppingCart: IEnumerable<Product>
	{
		public List<Product> Products { get; set; }

		public IEnumerator<Product> GetEnumerator()
		{
			return Products.GetEnumerator();
		}

		IEnumerator IEnumerable.GetEnumerator()
		{
			return GetEnumerator();
		}
	}
}