{/* * static void Main() * { * var patent1 = new {Title = "B", YearOfPublication = "1784"}; //匿名类型, * var patent2 = new {YearOfPublication = "1877", Title = "P"}; * var patent3 = new {patent1.Title, Year = patent1.YearOfPublication}; * * Console.WriteLine("{0} ({1})", patent1.Title, patent1.YearOfPublication); * Console.WriteLine("{0} ({1})", patent2.Title, patent2.YearOfPublication); * Console.WriteLine(); * Console.WriteLine("patent1 " + patent1); * Console.WriteLine("patent2 " + patent2); * Console.WriteLine("patent3 " + patent3); * Console.WriteLine(); * * //类型兼容:属性名称、数据类型和属性顺序必须完全匹配 * //patent1 = patent2; //错误,属性顺序不一样 * Console.WriteLine("patent1 " + patent1); * //错误,属性类型不一样 * // patent1 = patent3; * * //错误,匿名类型是只读的,不可变的,匿名类型一旦实例化就不允许再更改他的某个属性 * // patent3.Title = "1212"; * * collectionInitializers(); * Console.WriteLine(); * * AnonymousArry(); * ForeachStack(); * } */ //集合初始化器 static void collectionInitializers() { List <string> sevenWorldBlunders; sevenWorldBlunders = new List <string>() //没有参数,最后这个()可以不要 { "walth without work", "k", "s", "c", "w", "p", "z" }; PrintTool.PrintIEnumerable(sevenWorldBlunders); }
//匿名类型数组,由匿名类型构成的数组,每个项的类型必须相同 static void AnonymousArry() { var worldCup = new[] { new { teamNma = "a", players = new string[] { "a", "b", "c" } }, new { teamNma = "b", players = new string[] { "d", "e", "f" } } }; PrintTool.PrintIEnumerable(worldCup); }