【正文】 ...................................................................23 泛型結(jié)構(gòu)聲明 ................................................................................................................................ 23 泛型接口聲明 ................................................................................................................................ 23 所實(shí)現(xiàn)接口的唯一性 ................................................................................................................23 顯式接口成員實(shí)現(xiàn) ...................................................................................................................24 泛型委托聲明 ................................................................................................................................ 25 構(gòu)造類型 ....................................................................................................................................... 25 類型實(shí)參 ..................................................................................................................................26 開放和封閉類型 .......................................................................................................................26 構(gòu)造類型的基類和接口 ............................................................................................................27 構(gòu)造類型的成員 .......................................................................................................................27 構(gòu)造類型的可訪問性 ................................................................................................................28 轉(zhuǎn)換 .........................................................................................................................................28 using 別名指令 .........................................................................................................................29 屬性 .........................................................................................................................................29 數(shù)組和泛型 IList 接口 ..............................................................................................................29 C 規(guī)范 版 iv 版權(quán)所有 ? Microsoft Corporation 19992020。 v 委托創(chuàng)建表達(dá)式 .......................................................................................................................... 65 實(shí)現(xiàn)示例 ..................................................................................................................................... 65 22. 迭代器 ................................................................................................................................................ 69 迭代器塊 ....................................................................................................................................... 69 枚舉器接口 ..............................................................................................................................69 可枚舉接口 ..............................................................................................................................69 產(chǎn)生類型 ..................................................................................................................................69 this 訪問 ...................................................................................................................................70 枚舉器對象 ................................................................................................................................... 70 MoveNext 方法 .........................................................................................................................70 Current 屬性 .............................................................................................................................71 Dispose 方法 ............................................................................................................................71 可枚舉對象 ................................................................................................................................... 72 GetEnumerator 方法 ..................................................................................................................72 yield 語句 ....................................................................................................................................... 72 明確賦值 ..................................................................................................................................74 實(shí)現(xiàn)示例 ....................................................................................................................................... 74 23. 分部類型 ............................................................................................................................................ 81 分部聲明 ....................................................................................................................................... 81 屬性 .........................................................................................................................................81 修飾符 ......................................................................................................................................82 類型參數(shù)和約束 .......................................................................................................................82 基類 .........................................................................................................................................82 基接口 ......................................................................................................................................83 成員 .........................................................................................................................................83 名稱綁定 ....................................................................................................................................... 84 24. 可空類型 .....