diff --git a/chapter1/01_swift.html b/chapter1/01_swift.html index b7557a5f..93e6940a 100644 --- a/chapter1/01_swift.html +++ b/chapter1/01_swift.html @@ -46,7 +46,7 @@ -
+
@@ -491,7 +491,7 @@ Generated using GitBook
    • + allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">

  • 翻译无任何商业目的，仅供内部学习交流使用！

    • @@ -587,7 +587,7 @@
    -
    +

    翻译：numbbbbb

    @@ -599,7 +599,7 @@

    Swift 的开发从很久之前就开始了。为了给 Swift 打好基础，苹果公司改进了编译器，调试器和框架结构。我们使用自动引用计数（Automatic Reference Counting, ARC）来简化内存管理。我们在 Foundation 和 Cocoa的基础上构建框架栈并将其标准化。Objective-C 本身支持块、集合语法和模块，所以框架可以轻松支持现代编程语言技术。正是得益于这些基础工作，我们现在才能发布这样一个用于未来苹果软件开发的新语言。

    Objective-C 开发者对 Swift 并不会感到陌生。它采用了 Objective-C 的命名参数以及动态对象模型，可以无缝对接到现有的 Cocoa 框架，并且可以兼容 Objective-C 代码。在此基础之上，Swift 还有许多新特性并且支持过程式编程和面向对象编程。

    Swift 对于初学者来说也很友好。它是第一个既满足工业标准又像脚本语言一样充满表现力和趣味的编程语言。它支持代码预览，这个革命性的特性可以允许程序员在不编译和运行应用程序的前提下运行 Swift 代码并实时查看结果。

    -

    Swift 将现代编程语言的精华和苹果工程师文化的智慧结合了起来。编译器对性能进行了优化，编程语言对开发进行了优化，两者互不干扰，鱼与熊掌兼得。Swift 既可以用于开发“hello, world”这样的小程序，也可以用于开发一套完整的操作系统。所有的这些特性让 Swift 对于开发者和苹果来说都是一项值得的投资。

    +

    Swift 将现代编程语言的精华和苹果工程师文化的智慧结合了起来。编译器对性能进行了优化，编程语言对开发进行了优化，两者互不干扰，鱼与熊掌兼得。Swift 既可以用于开发 “hello, world” 这样的小程序，也可以用于开发一套完整的操作系统。所有的这些特性让 Swift 对于开发者和苹果来说都是一项值得的投资。

    用 Swift 编写 iOS 和 OS X 应用将是一场美妙的体验，Swift 之后也会不断开发新特性和兼容性。我们对 Swift 充满信心，你还在等什么！

    @@ -646,6 +646,6 @@ require(["gitbook"], function(gitbook) { - + diff --git a/chapter1/02_a_swift_tour.html b/chapter1/02_a_swift_tour.html index 14ff9f20..3a210c51 100644 --- a/chapter1/02_a_swift_tour.html +++ b/chapter1/02_a_swift_tour.html @@ -46,7 +46,7 @@ -
    +
    @@ -491,7 +491,7 @@ Generated using GitBook
    • + allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">

  • 翻译无任何商业目的，仅供内部学习交流使用！

    • @@ -587,7 +587,7 @@
    -
    +

    翻译：numbbbbb @@ -822,7 +822,8 @@ hasAnyMatches(numbers, lessThanTen)

    重写闭包，对所有奇数返回 0.

    有很多种创建闭包的方法。如果一个闭包的类型已知，比如作为一个回调函数，你可以忽略参数的类型和返回值。单个语句闭包会把它语句的值当做结果返回。

    -

    你可以通过参数位置而不是参数名字来引用参数——这个方法在非常短的闭包中非常有用。当一个闭包作为最后一个参数传给一个函数的时候，它可以直接跟在括号后面。

    +
    numbers.map({ number in 3 * number })
+

    你可以通过参数位置而不是参数名字来引用参数——这个方法在非常短的闭包中非常有用。当一个闭包作为最后一个参数传给一个函数的时候，它可以直接跟在括号后面。

    sort([1, 5, 3, 12, 2]) { $0 > $1 }

    对象和类

    @@ -1178,6 +1179,6 @@ require(["gitbook"], function(gitbook) { - + diff --git a/chapter1/chapter1.html b/chapter1/chapter1.html index 95932020..26e4ddd4 100644 --- a/chapter1/chapter1.html +++ b/chapter1/chapter1.html @@ -46,7 +46,7 @@ -
    +
    @@ -491,7 +491,7 @@ Generated using GitBook
    • + allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">

  • 翻译无任何商业目的，仅供内部学习交流使用！

    • @@ -587,7 +587,7 @@
    -
    +

    欢迎使用 Swift

    在本章中您将了解 Swift 的特性和开发历史，并对 Swift 有一个初步的了解。

    @@ -636,6 +636,6 @@ require(["gitbook"], function(gitbook) { - + diff --git a/chapter2/01_The_Basics.html b/chapter2/01_The_Basics.html index e666be05..37a4927e 100644 --- a/chapter2/01_The_Basics.html +++ b/chapter2/01_The_Basics.html @@ -46,7 +46,7 @@ -
    +
    @@ -491,7 +491,7 @@ Generated using GitBook
    • + allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">

  • 翻译无任何商业目的，仅供内部学习交流使用！

    • @@ -587,7 +587,7 @@
    -
    +

    翻译：numbbbbb, lyuka, JaySurplus

    @@ -1060,6 +1060,6 @@ require(["gitbook"], function(gitbook) { - + diff --git a/chapter2/02_Basic_Operators.html b/chapter2/02_Basic_Operators.html index 4f9f0ad1..96f4e42a 100644 --- a/chapter2/02_Basic_Operators.html +++ b/chapter2/02_Basic_Operators.html @@ -46,7 +46,7 @@ -
    +
    @@ -491,7 +491,7 @@ Generated using GitBook
    • + allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">

  • 翻译无任何商业目的，仅供内部学习交流使用！

    • @@ -587,7 +587,7 @@
    -
    +

    翻译：xielingwang

    @@ -950,6 +950,6 @@ require(["gitbook"], function(gitbook) { - + diff --git a/chapter2/03_Strings_and_Characters.html b/chapter2/03_Strings_and_Characters.html index bad91bc8..ae4574a2 100644 --- a/chapter2/03_Strings_and_Characters.html +++ b/chapter2/03_Strings_and_Characters.html @@ -46,7 +46,7 @@ -
    +
    @@ -491,7 +491,7 @@ Generated using GitBook
    • + allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">

  • 翻译无任何商业目的，仅供内部学习交流使用！

    • @@ -587,7 +587,7 @@
    -
    +

    翻译：wh1100717

    @@ -927,6 +927,6 @@ require(["gitbook"], function(gitbook) { - + diff --git a/chapter2/04_Collection_Types.html b/chapter2/04_Collection_Types.html index 9132c984..ef99c5bf 100644 --- a/chapter2/04_Collection_Types.html +++ b/chapter2/04_Collection_Types.html @@ -46,7 +46,7 @@ -
    +
    @@ -491,7 +491,7 @@ Generated using GitBook
    • + allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">

  • 翻译无任何商业目的，仅供内部学习交流使用！

    • @@ -587,7 +587,7 @@
    -
    +

    翻译：zqp

    @@ -886,6 +886,6 @@ require(["gitbook"], function(gitbook) { - + diff --git a/chapter2/05_Control_Flow.html b/chapter2/05_Control_Flow.html index f54fe905..b6b1da2f 100644 --- a/chapter2/05_Control_Flow.html +++ b/chapter2/05_Control_Flow.html @@ -46,7 +46,7 @@ -
    +
    @@ -491,7 +491,7 @@ Generated using GitBook
    • + allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">

  • 翻译无任何商业目的，仅供内部学习交流使用！

    • @@ -587,7 +587,7 @@
    -
    +

    翻译：vclwei, coverxit, NicePiao

    @@ -1190,6 +1190,6 @@ require(["gitbook"], function(gitbook) { - + diff --git a/chapter2/06_Functions.html b/chapter2/06_Functions.html index f7fa684b..2d0fc662 100644 --- a/chapter2/06_Functions.html +++ b/chapter2/06_Functions.html @@ -46,7 +46,7 @@ -
    +
    @@ -491,7 +491,7 @@ Generated using GitBook
    • + allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">

  • 翻译无任何商业目的，仅供内部学习交流使用！

    • @@ -587,7 +587,7 @@
    -
    +

    翻译：honghaoz

    @@ -994,6 +994,6 @@ require(["gitbook"], function(gitbook) { - + diff --git a/chapter2/07_Closures.html b/chapter2/07_Closures.html index 779a00d6..f6b58cfc 100644 --- a/chapter2/07_Closures.html +++ b/chapter2/07_Closures.html @@ -46,7 +46,7 @@ -
    +
    @@ -491,7 +491,7 @@ Generated using GitBook
    • + allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">

  • 翻译无任何商业目的，仅供内部学习交流使用！

    • @@ -587,7 +587,7 @@
    -
    +

    翻译：wh1100717

    @@ -890,6 +890,6 @@ require(["gitbook"], function(gitbook) { - + diff --git a/chapter2/08_Enumerations.html b/chapter2/08_Enumerations.html index 1118cf0b..1497c94c 100644 --- a/chapter2/08_Enumerations.html +++ b/chapter2/08_Enumerations.html @@ -46,7 +46,7 @@ -
    +
    @@ -491,7 +491,7 @@ Generated using GitBook
    • + allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">

  • 翻译无任何商业目的，仅供内部学习交流使用！

    • @@ -587,7 +587,7 @@
    -
    +

    翻译：yankuangshi

    @@ -784,6 +784,6 @@ require(["gitbook"], function(gitbook) { - + diff --git a/chapter2/09_Classes_and_Structures.html b/chapter2/09_Classes_and_Structures.html index a6f5b5a8..b907e3ce 100644 --- a/chapter2/09_Classes_and_Structures.html +++ b/chapter2/09_Classes_and_Structures.html @@ -46,7 +46,7 @@ -
    +
    @@ -491,7 +491,7 @@ Generated using GitBook
    • + allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">

  • 翻译无任何商业目的，仅供内部学习交流使用！

    • @@ -587,7 +587,7 @@
    -
    +

    翻译：JaySurplus

    @@ -913,6 +913,6 @@ require(["gitbook"], function(gitbook) { - + diff --git a/chapter2/10_Properties.html b/chapter2/10_Properties.html index 25e25fda..ebd9ae75 100644 --- a/chapter2/10_Properties.html +++ b/chapter2/10_Properties.html @@ -46,7 +46,7 @@ -
    +
    @@ -491,7 +491,7 @@ Generated using GitBook
    • + allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">

  • 翻译无任何商业目的，仅供内部学习交流使用！

    • @@ -587,7 +587,7 @@
    -
    +

    翻译：shinyzhu

    @@ -946,6 +946,6 @@ require(["gitbook"], function(gitbook) { - + diff --git a/chapter2/11_Methods.html b/chapter2/11_Methods.html index 56cc7c1f..91773a96 100644 --- a/chapter2/11_Methods.html +++ b/chapter2/11_Methods.html @@ -46,7 +46,7 @@ -
    +
    @@ -491,7 +491,7 @@ Generated using GitBook
    • + allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">

  • 翻译无任何商业目的，仅供内部学习交流使用！

    • @@ -587,7 +587,7 @@
    -
    +

    翻译：pp-prog

    @@ -846,6 +846,6 @@ require(["gitbook"], function(gitbook) { - + diff --git a/chapter2/12_Subscripts.html b/chapter2/12_Subscripts.html index a317c7a6..6ac1d25d 100644 --- a/chapter2/12_Subscripts.html +++ b/chapter2/12_Subscripts.html @@ -46,7 +46,7 @@ -
    +
    @@ -491,7 +491,7 @@ Generated using GitBook
    • + allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">

  • 翻译无任何商业目的，仅供内部学习交流使用！

    • @@ -587,7 +587,7 @@
    -
    +

    翻译：siemenliu

    @@ -746,6 +746,6 @@ require(["gitbook"], function(gitbook) { - + diff --git a/chapter2/13_Inheritance.html b/chapter2/13_Inheritance.html index 62a426fc..91f618bd 100644 --- a/chapter2/13_Inheritance.html +++ b/chapter2/13_Inheritance.html @@ -46,7 +46,7 @@ -
    +
    @@ -491,7 +491,7 @@ Generated using GitBook
    • + allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">

  • 翻译无任何商业目的，仅供内部学习交流使用！

    • @@ -587,7 +587,7 @@
    -
    +

    翻译：Hawstein

    @@ -812,6 +812,6 @@ require(["gitbook"], function(gitbook) { - + diff --git a/chapter2/14_Initialization.html b/chapter2/14_Initialization.html index 59a34d3f..b1483ab9 100644 --- a/chapter2/14_Initialization.html +++ b/chapter2/14_Initialization.html @@ -46,7 +46,7 @@ -
    +
    @@ -491,7 +491,7 @@ Generated using GitBook
    • + allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">

  • 翻译无任何商业目的，仅供内部学习交流使用！

    • @@ -587,7 +587,7 @@
    -
    +

    翻译：lifedim

    @@ -1061,6 +1061,6 @@ require(["gitbook"], function(gitbook) { - + diff --git a/chapter2/15_Deinitialization.html b/chapter2/15_Deinitialization.html index bd8ed6e0..429feed7 100644 --- a/chapter2/15_Deinitialization.html +++ b/chapter2/15_Deinitialization.html @@ -46,7 +46,7 @@ -
    +
    @@ -491,7 +491,7 @@ Generated using GitBook
    • + allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">

  • 翻译无任何商业目的，仅供内部学习交流使用！

    • @@ -587,7 +587,7 @@
    -
    +

    翻译：bruce0505

    @@ -706,6 +706,6 @@ require(["gitbook"], function(gitbook) { - + diff --git a/chapter2/16_Automatic_Reference_Counting.html b/chapter2/16_Automatic_Reference_Counting.html index 7b61fd51..aa5494c1 100644 --- a/chapter2/16_Automatic_Reference_Counting.html +++ b/chapter2/16_Automatic_Reference_Counting.html @@ -46,7 +46,7 @@ -
    +
    @@ -491,7 +491,7 @@ Generated using GitBook
    • + allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">

  • 翻译无任何商业目的，仅供内部学习交流使用！

    • @@ -587,7 +587,7 @@
    -
    +

    翻译：TimothyYe

    @@ -983,6 +983,6 @@ require(["gitbook"], function(gitbook) { - + diff --git a/chapter2/17_Optional_Chaining.html b/chapter2/17_Optional_Chaining.html index 5e540740..5cc651c7 100644 --- a/chapter2/17_Optional_Chaining.html +++ b/chapter2/17_Optional_Chaining.html @@ -46,7 +46,7 @@ -
    +
    @@ -491,7 +491,7 @@ Generated using GitBook
    • + allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">

  • 翻译无任何商业目的，仅供内部学习交流使用！

    • @@ -587,7 +587,7 @@
    -
    +

    翻译：Jasonbroker

    @@ -844,6 +844,6 @@ require(["gitbook"], function(gitbook) { - + diff --git a/chapter2/18_Type_Casting.html b/chapter2/18_Type_Casting.html index 68a7e6e4..41b7b613 100644 --- a/chapter2/18_Type_Casting.html +++ b/chapter2/18_Type_Casting.html @@ -46,7 +46,7 @@ -
    +
    @@ -491,7 +491,7 @@ Generated using GitBook
    • + allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">

  • 翻译无任何商业目的，仅供内部学习交流使用！

    • @@ -587,7 +587,7 @@
    -
    +

    翻译：xiehurricane

    @@ -616,7 +616,15 @@ } }

    下一个代码段定义了 MediaItem 的两个子类。第一个子类Movie，在父类（或者说基类）的基础上增加了一个 director（导演） 属性，和相应的初始化器。第二个类在父类的基础上增加了一个 artist（艺术家） 属性，和相应的初始化器：

    -
    class Song: MediaItem {
+
    class Movie: MediaItem {
+    var director: String
+    init(name: String, director: String) {
+        self.director = director
+        super.init(name: name)
+       }
+}
+
+class Song: MediaItem {
     var artist: String
     init(name: String, artist: String) {
         self.artist = artist
@@ -819,6 +827,6 @@ require(["gitbook"], function(gitbook) {
 
 
         
-    
+    
     
 
diff --git a/chapter2/19_Nested_Types.html b/chapter2/19_Nested_Types.html
index ee540819..9718388a 100644
--- a/chapter2/19_Nested_Types.html
+++ b/chapter2/19_Nested_Types.html
@@ -46,7 +46,7 @@
 
 
         
-    
    
+    
    
     
    
     
     
@@ -491,7 +491,7 @@
             Generated using GitBook
         
 
  •  
    •         
+  allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">
  • 翻译无任何商业目的，仅供内部学习交流使用！
    •         
     
 
    
 
@@ -587,7 +587,7 @@
 
                 
    
                 
-                    
    
+                    
    
                     
                         
    
 
    翻译：Lin-H
    
@@ -703,6 +703,6 @@ require(["gitbook"], function(gitbook) {
 
 
         
-    
+    
     
 
diff --git a/chapter2/20_Extensions.html b/chapter2/20_Extensions.html
index 731e4fe6..95a39874 100644
--- a/chapter2/20_Extensions.html
+++ b/chapter2/20_Extensions.html
@@ -46,7 +46,7 @@
 
 
         
-    
    
+    
    
     
    
     
     
@@ -491,7 +491,7 @@
             Generated using GitBook
         
 
  •  
    •         
+  allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">
  • 翻译无任何商业目的，仅供内部学习交流使用！
    •         
     
 
    
 
@@ -587,7 +587,7 @@
 
                 
    
                 
-                    
    
+                    
    
                     
                         
    
 
    翻译：lyuka
    
@@ -850,6 +850,6 @@ require(["gitbook"], function(gitbook) {
 
 
         
-    
+    
     
 
diff --git a/chapter2/21_Protocols.html b/chapter2/21_Protocols.html
index 46fd65cf..a2ed92f0 100644
--- a/chapter2/21_Protocols.html
+++ b/chapter2/21_Protocols.html
@@ -46,7 +46,7 @@
 
 
         
-    
    
+    
    
     
    
     
     
@@ -491,7 +491,7 @@
             Generated using GitBook
         
 
  •  
    •         
+  allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">
  • 翻译无任何商业目的，仅供内部学习交流使用！
    •         
     
 
    
 
@@ -587,7 +587,7 @@
 
                 
    
                 
-                    
    
+                    
    
                     
                         
    
 
    翻译：geek5nan
    
@@ -1147,6 +1147,6 @@ require(["gitbook"], function(gitbook) {
 
 
         
-    
+    
     
 
diff --git a/chapter2/22_Generics.html b/chapter2/22_Generics.html
index cb5abcae..192ed8df 100644
--- a/chapter2/22_Generics.html
+++ b/chapter2/22_Generics.html
@@ -46,7 +46,7 @@
 
 
         
-    
    
+    
    
     
    
     
     
@@ -491,7 +491,7 @@
             Generated using GitBook
         
 
  •  
    •         
+  allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">
  • 翻译无任何商业目的，仅供内部学习交流使用！
    •         
     
 
    
 
@@ -587,7 +587,7 @@
 
                 
    
                 
-                    
    
+                    
    
                     
                         
    
 
    翻译：takalard
    
@@ -977,6 +977,6 @@ require(["gitbook"], function(gitbook) {
 
 
         
-    
+    
     
 
diff --git a/chapter2/23_Advanced_Operators.html b/chapter2/23_Advanced_Operators.html
index 0d9e7d33..30aaf168 100644
--- a/chapter2/23_Advanced_Operators.html
+++ b/chapter2/23_Advanced_Operators.html
@@ -46,7 +46,7 @@
 
 
         
-    
    
+    
    
     
    
     
     
@@ -491,7 +491,7 @@
             Generated using GitBook
         
 
  •  
    •         
+  allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">
  • 翻译无任何商业目的，仅供内部学习交流使用！
    •         
     
 
    
 
@@ -587,7 +587,7 @@
 
                 
    
                 
-                    
    
+                    
    
                     
                         
    
 
    翻译：xielingwang
    
@@ -911,6 +911,6 @@ require(["gitbook"], function(gitbook) {
 
 
         
-    
+    
     
 
diff --git a/chapter2/chapter2.html b/chapter2/chapter2.html
index 88c58676..bdb27232 100644
--- a/chapter2/chapter2.html
+++ b/chapter2/chapter2.html
@@ -46,7 +46,7 @@
 
 
         
-    
    
+    
    
     
    
     
     
@@ -491,7 +491,7 @@
             Generated using GitBook
         
 
  •  
    •         
+  allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30">
  • 翻译无任何商业目的，仅供内部学习交流使用！
    •         
     
 
    
 
@@ -587,7 +587,7 @@
 
                 
    
                 
-                    
    
+                    
    
                     
                         
    Swift 教程
    
 
    本章介绍了 Swift 的各种特性及其使用方法，是全书的核心部分。
    
@@ -636,6 +636,6 @@ require(["gitbook"], function(gitbook) {
 
 
         
-    
+    
     
 
diff --git a/chapter3/01_About_the_Language_Reference.html b/chapter3/01_About_the_Language_Reference.html
index 23403057..77d8c193 100644
--- a/chapter3/01_About_the_Language_Reference.html
+++ b/chapter3/01_About_the_Language_Reference.html
@@ -46,7 +46,7 @@
 
 
         
-    
    
+    
    
     
    
     
     
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计算型属性实现。如果属性声明仅仅包含get","getter和setter语句。如果附属脚本声明值包含get","getter用于读取值，setter用于写入值。setter子句是可选的，当仅需要一个getter子句时，可以将二者都忽略且直接返回请求的值即可。也就是说，如果使用了setter子句，就必须使用gett","getter用来读取变量值，setter用来写入变量值。setter子句是可选择的，只有gett","getter获取某个值，或者通过sett","getter语句，可以选择是否包含sett","get代码块中的代码写在subscript","get关键字表示。它们的返回值是double型，而且可以用于所有接受doubl","get部分返回值是int?，上例中的numberoflegs字典通过附属脚本返回的是一个int?或者说“可选的int”，不是每个字典的索引都能得到一个整型值，对于没有设过值的索引的访问返回的结果就是nil；同样想要从字典实例中删除某个索引下的值也只需要给这个索引赋值为nil","ghostbust","give","given","global","goe","gonna","good","goodby","graham","grammar","graphem","great","green","greencompon","greet","greet(\"bob","greet(nam","grid","grid[(row","grtmndsthnklk","gt","gt;>","gt;"","gt;infix-operator-declar","gt;­attribut","gt;­attributes­opt­typ","gt;！&","guard","guard-claus","guard-express","h","half-clos","halfopenrangelength(start","hall","hamster","hamster(nam","hamster的实例可以作为textrepresent","haolloyin","happi","happym","harmless","hasanymatches(list","hasanymatches(numb","hasarea","hasarea协议时，通过as?操作符将其可选绑定(opt","hasdoorkei","hasdoorkey）为false，但第二个值（knowsoverridepassword）为true，所以整个表达是tru","hashabl","hashable和valuetype产生的。每一个类型实参必须满足它所替代的泛型形参的所有约束，包括任何where语句所指定的额外的要求。上面的例子中，类型形参keytype要求满足hashable协议，因此string也必须满足hash","hashead","hasprefix","hasprefix/hassuffix","hassuffix","hawk","hawstein","hd","hd.width","hd实例中width属性还是1920","hd的常量，其值为一个初始化为全高清视频分辨率(1920","hd赋予给cinema的时候，实际上是将hd中所储存的值(values)进行拷贝，然后将拷贝的数据储存到新的cinema实例中。结果就是两个完全独立的实例碰巧包含有相同的数值。由于两者相互独立，因此将cinema的width修改为2048并不会影响hd中的宽(width","heart","hearts.simpledescript","heartsdescript","heartssymbol","hearts成员：给hearts常量赋值时，枚举成员suit.hearts需要用全名来引用，因为常量没有显式指定类型。在switch里，枚举成员使用缩写.hearts来引用，因为self的值已经知道是一个suit","heathrow","height","height=\"120","height=\"169","height=\"357","height=\"387","heigth","hello","hello-world","help","here","here'","hexadecim","hexadecimal-digit","hexadecimal-expon","hexadecimal-fract","hexadecimal-liter","hexadecimal-literal-charact","hexadecimaldoubl","hexadecimalinteg","high","highest","highestunlockedlevel","highland","hilari","honghaoz","horizont","horribl","hors","html","htmlelement","htmlelement(nam","htmlelementdeinitializer中的消息并没有别打印，证明了htmlel","htmlelement例子中，无主引用是正确的解决循环强引用的方法。这样这样编写htmlel","htmlelement实现和之前的实现一致，只是在ashtml闭包中多了一个占有列表。这里，占有列表是[unown","htmlelement类产生了类实例和ashtml","htmlelement类只提供一个构造函数，通过name和text（如果有的话）参数来初始化一个元素。该类也定义了一个析构函数，当htmlel","htmlelement类定义了一个name属性来表示这个元素的名称，例如代表段落的"p"，或者代表换行的"br"。htmlelement还定义了一个可选属性text","htmlelement还定义了一个lazy属性ashtml。这个属性引用了一个闭包，将name和text","http","http200statu","http200status.descript","http200status.statuscod","http404error","http404error.0","http404error.1","human","hundr","i++的特性，不然推荐你使用++i和--i","iboutlet和ibinspectable用于修饰一个类的属性声明；ibaction特性用于修饰一个类的方法声明；ibdesign","ident","identifi","identifier-charact","identifier-head","identifier-list","identifier-list­function-result­(opt)­in","identifier-pattern","identifier-patterntype-annotationopt","identifier­:­express","identifier­generic-argument-clause(opt","if-condit","if-stat","if和let来处理值缺失的情况。有些变量的值是可选的。一个可选的值可能是一个具体的值或者是nil","if和switch来进行条件操作，使用for-in、for、while和do-whil","if或els","if语句中条件的值的类型必须遵循logicvalu","if语句中，条件必须是一个布尔表达式——这意味着像if","if语句允许二选一，也就是当条件为fals","if语句和switch","if语句和switch语句。通常，当条件较为简单且可能的情况很少时，使用if语句。而switch语句更适用于条件较复杂、可能情况较多且需要用到模式匹配（pattern-match","if语句最简单的形式就是只包含一个条件，当且仅当该条件为tru","if语句来判断一个可选是否包含值。如果可选有值，结果是true；如果没有值，结果是fals","if语句用于判断是不是特别热。而最后的els","if语句的第一个分支中操作actualnumber的值，你可以改成if","if语句类似。与之不同的是，switch","if！allowedentri","ignor","imag","img","implement","implicit","implicit-member-express","implicit-parameter-nam","implicitdoubl","implicitinteg","implicitli","implicitly-unwrapped-optional-typ","implicitlyunwrappedoptional解决实例之间的循环强引用解决实例之间的循环强引用弱引用无主引用泛型实参语句泛型形参语句泛型形参语句where语句hello","pad","paddeddoubl","paddedstr","paint","pair","pairs）。遍历字典时，字典的每项元素会以(kei","paragraph","paragraph变量为nil，打破它持有的htmlelement实例的强引用，htmlel","paragraph变量定义为可选htmlelement，因此我们可以赋值nil","parakeet","paramet","parameter)，不支持默认参数(default","parameter-claus","parameter-clause­function-result­(opt)­in","parameter-list","parameter-list­...­opt","parameter-nam","parameternam","parameters"","parameters)或返回类型(return","parameters)指定一个或多个用于在相关类型的附属脚本中访问元素的索引（例如，表达式object[i]中的i）。尽管用于元素访问的索引可以是任意类型的，但是每个变量必须包含一个用于指定每种索引类型的类型标注。返回类型(return","parameters）函数类型（funct","parameters）常量参数和变量参数（const","parameters）无参函数（funct","parameters）无返回值函数（funct","parameters）输入输出参数（in-out","parameter­,­parameter-list","parent","parenthes","parenthesized-express","passedretinascan","passeng","pattern","pattern-initi","pattern-initializer-list","pattern-matched)的，和其相反的是switch语句case块中枚举事件匹配，在枚举事件类型(enumer","patternastyp","patterns）表达式模式（express","patterns）通配符模式（wildcard","pattern）代表了单个值或者复合值的结构。例如，元组(1","pattern）值绑定模式（value-bind","pattern）元组模式（tupl","pattern）和元组模式（tupl","pattern）枚举案例模式（enumer","pattern）标识符模式（identifi","pattern）类型转换模式（type-cast","pattern），标识符模式（identifi","penguin","pepper","performact","perimet","person","person'","person(fullnam","person(nam","person?的变量，用来按照代码片段中的顺序，为新的person实例建立多个引用。由于这些变量是被定义为可选类型（person?，而不是person），它们的值会被自动初始化为nil，目前还不会引用到person","personnam","person和apart","person和apartment实例并将类实例赋值给john和number73","person和apartment的例子一致，但是有一个重要的区别。这一次，apartment的ten","person和apartment的例子展示了两个属性的值都允许为nil","person和resid","person和residence模型通过添加一个room和一个address","person实例依然保持对apartment实例的强引用，但是apartment实例只是对person实例的弱引用。这意味着当你断开john变量所保持的强引用时，再也没有指向person","person实例有一个类型为string，名字为name的属性，并有一个可选的初始化为nil的apartment属性。apart","person实例现在有了一个指向apartment实例的强引用，而apartment实例也有了一个指向person实例的强引用。因此，当你断开john和number73","person实例的引用数量，并且会在person","person实例，它的resid","person实例，这也意味着你不再使用这个person","person类开始，并定义了一个叫nam","person类有一个构造函数，此构造函数为实例的name属性赋值并打印出信息，以表明初始化过程生效。person","person类的新实例被赋值给了reference1变量，所以reference1到person类的新实例之间建立了一个强引用。正是因为这个强引用，arc","person类的构造函数的时候，"john","person结构体含有一个名为fullnam","peter","pi","piec","pink","pixel","place","plai","plane","planet","planet.earth","planet.earth.toraw","planet.fromraw(7","planet.fromraw(9)语句获得一个可选planet，如果可选planet可以被获得，把someplanet设置成该可选planet的内容。在这个范例中，无法检索到位置为9的行星，所以els","planet.fromraw(positiontofind","planet.uranu","planet.venus的原始值是2","player","player(coin","player(nam","player.completedlevel(1","player.tracker.advancetolevel(6","playernam","playeron","playerone!.coinsinpurs","playerone!.wincoins(2_000","playerone变量设置为nil，意思是“没有player实例”。当这种情况发生的时候，playerone变量对player实例的引用被破坏了。没有其它属性或者变量引用play","playerone是可选的，所以由一个感叹号（!）来修饰，每当其wincoins方法被调用时，coinsinpurs","player实例存储在一个名为playerone的可选play","player类使用leveltrack","player类创建一个新的leveltracker实例来监测这个用户的发展进度。他提供了completedlevel方法：一旦玩家完成某个指定等级就调用它。这个方法为所有玩家解锁下一等级，并且将当前玩家的进度更新为下一等级。（我们忽略了advancetolevel返回的布尔值，因为之前调用leveltracker.unlocklevel","player类定义了一个wincoins方法，该方法从银行获取一定数量的硬币，并把它们添加到玩家的钱包。player类还实现了一个析构函数，这个析构函数在play","pleas","plu","plusminusvector","plusthre","pm","point","point(x","point.0","point.1","pointonefouronefivenin","point封装了一个(x","point来引用元组(int","point来表示square的中心点。如代码所示，它正确返回了中心点(5","point结构体定义了一个变异方法（mut","point（x","pop","pop并移除值"cuatro"","pop方法的返回值，该返回值将是一个t","posit","positiontofind","possibl","possibleinteg","possibleintegervalu","possiblenumb","possiblenumber.toint","possiblenumber.toint返回的可选int包含一个值，创建一个叫做actualnumb","possibleplanet","possiblestr","postfix","postfix-express","postfix-expression­.­decimal-digit","postfix-expression­.­dynamictyp","postfix-expression­.­identifier­generic-argument-clause(opt","postfix-expression­.­init","postfix-expression­.­self","postfix-expression­[­expression-list","postfix-expression­parenthesized-express","postfix-expression­parenthesized-expression­(opt)­trailing-closur","postfix-expression­postfix-oper","postfix-oper","postfix-operator-declar","postfix-self-express","potentialoverflow","powder","power","pp-prog","pp-prog告诉我，这几天太累了，校对到一半睡着了，醒来又继续做。2点17","preced","precedence-claus","precedence-clause­opt­associativity-clause­opt","precedence-level","precedence­precedence-level","precedence并优先级(preced","prefix","prefix-express","prefix-expression­binary-expressions(opt","prefix-oper","prefix-operator-declar","prefix存在时，将prefix插入到name之前来为starship构建fullnam","prefix）表达式，二元（binary）表达式，主要（primary）表达式和后缀（postfix）表达式。表达式可以返回一个值，以及运行某些逻辑（caus","preslei","prettytextrepresent","prettytextrepresentable协议的同时，也需要遵循textrepresent","prettytextrepresentable协议继承了textrepresent","primari","primary-express","prime","print","print(\"\\(codeunit","print(\"\\(scalar.valu","print(\"\\n","print(\"conson","print(\"oth","print(\"vowel","printandcount","printandcount(\"hello","printandcount(stringtoprint","printclassnam","printhelloworld","printletterkinds(\"hello","printletterkinds(word","printletterkinds的输入是一个string值并对其字符进行迭代。在每次迭代过程中，考虑当前字符的kind计算属性，并打印出合适的类别描述。所以printletterkinds就可以用来打印一个完整单词中所有字母的类型，正如上述单词"hello"","println","println(\"'\\\\(word","println(\"(0","println(\"(\\(point.0","println(\"(\\(somepoint.0","println(\"(\\(x","println(\"3的6倍是\\(threetimestable[6","println(\"\\(airportcod","println(\"\\(animalname)","println(\"\\(bas","println(\"\\(country.name)'","println(\"\\(currentvalu","println(\"\\(index","println(\"\\(mansioncount","println(\"\\(nam","println(\"\\(possiblenumb","println(\"\\(scalar","println(\"\\(somecharact","println(\"\\(total.vowel","println(\"a","println(\"about","println(\"access","println(\"ad","println(\"airport","println(\"al","println(\"an","println(\"and","println(\"apart","println(\"area","println(\"automaticcar","println(\"b","println(\"bicycl","println(\"car","println(\"card","println(\"cinema","println(\"count","println(\"eww","println(\"gam","println(\"goodby","println(\"happi","println(\"hd","println(\"hello","println(\"here'","println(\"highest","println(\"i'm","println(\"index","println(\"it","println(\"it'","println(\"item","println(\"john'","println(\"level","println(\"lot","println(\"media","println(\"mmm","println(\"mostli","println(\"movi","println(\"not","println(\"on","println(\"play","println(\"playeron","println(\"qr","println(\"random","println(\"result","println(\"rol","println(\"som","printl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","passedretinascan","passeng","pattern","pattern-initi","pattern-initializer-list","pattern-matched)的，和其相反的是switch语句case块中枚举事件匹配，在枚举事件类型(enumer","patternastyp","patterns）表达式模式（express","patterns）通配符模式（wildcard","pattern）代表了单个值或者复合值的结构。例如，元组(1","pattern）值绑定模式（value-bind","pattern）元组模式（tupl","pattern）和元组模式（tupl","pattern）枚举案例模式（enumer","pattern）标识符模式（identifi","pattern）类型转换模式（type-cast","pattern），标识符模式（identifi","penguin","pepper","performact","perimet","person","person'","person(fullnam","person(nam","person?的变量，用来按照代码片段中的顺序，为新的person实例建立多个引用。由于这些变量是被定义为可选类型（person?，而不是person），它们的值会被自动初始化为nil，目前还不会引用到person","personnam","person和apart","person和apartment实例并将类实例赋值给john和number73","person和apartment的例子一致，但是有一个重要的区别。这一次，apartment的ten","person和apartment的例子展示了两个属性的值都允许为nil","person和resid","person和residence模型通过添加一个room和一个address","person实例依然保持对apartment实例的强引用，但是apartment实例只是对person实例的弱引用。这意味着当你断开john变量所保持的强引用时，再也没有指向person","person实例有一个类型为string，名字为name的属性，并有一个可选的初始化为nil的apartment属性。apart","person实例现在有了一个指向apartment实例的强引用，而apartment实例也有了一个指向person实例的强引用。因此，当你断开john和number73","person实例的引用数量，并且会在person","person实例，它的resid","person实例，这也意味着你不再使用这个person","person类开始，并定义了一个叫nam","person类有一个构造函数，此构造函数为实例的name属性赋值并打印出信息，以表明初始化过程生效。person","person类的新实例被赋值给了reference1变量，所以reference1到person类的新实例之间建立了一个强引用。正是因为这个强引用，arc","person类的构造函数的时候，"john","person结构体含有一个名为fullnam","peter","pi","piec","pink","pixel","place","plai","plane","planet","planet.earth","planet.earth.toraw","planet.fromraw(7","planet.fromraw(9)语句获得一个可选planet，如果可选planet可以被获得，把someplanet设置成该可选planet的内容。在这个范例中，无法检索到位置为9的行星，所以els","planet.fromraw(positiontofind","planet.uranu","planet.venus的原始值是2","player","player(coin","player(nam","player.completedlevel(1","player.tracker.advancetolevel(6","playernam","playeron","playerone!.coinsinpurs","playerone!.wincoins(2_000","playerone变量设置为nil，意思是“没有player实例”。当这种情况发生的时候，playerone变量对player实例的引用被破坏了。没有其它属性或者变量引用play","playerone是可选的，所以由一个感叹号（!）来修饰，每当其wincoins方法被调用时，coinsinpurs","player实例存储在一个名为playerone的可选play","player类使用leveltrack","player类创建一个新的leveltracker实例来监测这个用户的发展进度。他提供了completedlevel方法：一旦玩家完成某个指定等级就调用它。这个方法为所有玩家解锁下一等级，并且将当前玩家的进度更新为下一等级。（我们忽略了advancetolevel返回的布尔值，因为之前调用leveltracker.unlocklevel","player类定义了一个wincoins方法，该方法从银行获取一定数量的硬币，并把它们添加到玩家的钱包。player类还实现了一个析构函数，这个析构函数在play","pleas","plu","plusminusvector","plusthre","pm","point","point(x","point.0","point.1","pointonefouronefivenin","point封装了一个(x","point来引用元组(int","point来表示square的中心点。如代码所示，它正确返回了中心点(5","point结构体定义了一个变异方法（mut","point（x","pop","pop并移除值"cuatro"","pop方法的返回值，该返回值将是一个t","posit","positiontofind","possibl","possibleinteg","possibleintegervalu","possiblenumb","possiblenumber.toint","possiblenumber.toint返回的可选int包含一个值，创建一个叫做actualnumb","possibleplanet","possiblestr","postfix","postfix-express","postfix-expression­.­decimal-digit","postfix-expression­.­dynamictyp","postfix-expression­.­identifier­generic-argument-clause(opt","postfix-expression­.­init","postfix-expression­.­self","postfix-expression­[­expression-list","postfix-expression­parenthesized-express","postfix-expression­parenthesized-expression­(opt)­trailing-closur","postfix-expression­postfix-oper","postfix-oper","postfix-operator-declar","postfix-self-express","potentialoverflow","powder","power","pp-prog","pp-prog告诉我，这几天太累了，校对到一半睡着了，醒来又继续做。2点17","preced","precedence-claus","precedence-clause­opt­associativity-clause­opt","precedence-level","precedence­precedence-level","precedence并优先级(preced","prefix","prefix-express","prefix-expression­binary-expressions(opt","prefix-oper","prefix-operator-declar","prefix存在时，将prefix插入到name之前来为starship构建fullnam","prefix）表达式，二元（binary）表达式，主要（primary）表达式和后缀（postfix）表达式。表达式可以返回一个值，以及运行某些逻辑（caus","preslei","prettytextrepresent","prettytextrepresentable协议的同时，也需要遵循textrepresent","prettytextrepresentable协议继承了textrepresent","primari","primary-express","prime","print","print(\"\\(codeunit","print(\"\\(scalar.valu","print(\"\\n","print(\"conson","print(\"oth","print(\"vowel","printandcount","printandcount(\"hello","printandcount(stringtoprint","printclassnam","printhelloworld","printletterkinds(\"hello","printletterkinds(word","printletterkinds的输入是一个string值并对其字符进行迭代。在每次迭代过程中，考虑当前字符的kind计算属性，并打印出合适的类别描述。所以printletterkinds就可以用来打印一个完整单词中所有字母的类型，正如上述单词"hello"","println","println(\"'\\\\(word","println(\"(0","println(\"(\\(point.0","println(\"(\\(somepoint.0","println(\"(\\(x","println(\"3的6倍是\\(threetimestable[6","println(\"\\(airportcod","println(\"\\(animalname)","println(\"\\(bas","println(\"\\(country.name)'","println(\"\\(currentvalu","println(\"\\(index","println(\"\\(mansioncount","println(\"\\(nam","println(\"\\(possiblenumb","println(\"\\(scalar","println(\"\\(somecharact","println(\"\\(total.vowel","println(\"a","println(\"about","println(\"access","println(\"ad","println(\"airport","println(\"al","println(\"an","println(\"and","println(\"apart","println(\"area","println(\"automaticcar","println(\"b","println(\"bicycl","println(\"car","println(\"card","println(\"cinema","pri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