using System.Collections; using System.Collections.Generic; using BasicSample.Core.Utils; namespace BasicSample.Core.Domain { public class Products : IEnumerable { public Products(IList<Product> products) { Check.Require(products != null, "products may not be null"); this.products = products; } public void Add(Product product) { if (product != null && !products.Contains(product)) { products.Add(product); } } public int Count { get { return products.Count; } } public IEnumerator GetEnumerator() { return products.GetEnumerator(); } public Product this[int i] { get { return products[i]; } } private IList<Product> products; } }
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