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chapter1/01_swift.html
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<div class="book" data-level="1.1" data-basepath=".." data-revision="1402321232917"> <div class="book" data-level="1.1" data-basepath=".." data-revision="1402322595980">
<div class="book-header"> <div class="book-header">
<!-- Actions Left --> <!-- Actions Left -->
<a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a> <a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a>
@ -587,7 +587,7 @@
<div class="page-inner"> <div class="page-inner">
<section class="normal" id="section-gitbook_6"> <section class="normal" id="section-gitbook_76">
<h1 id="-swift">关于 Swift</h1> <h1 id="-swift">关于 Swift</h1>
<p>Swift 是一种新的编程语言，用于编写 iOS 和 OS X 应用。Swift 结合了 C 和 Objective-C 的优点并且不受C的兼容性的限制。Swift 使用安全的编程模式并添加了很多新特性，这将使编程更简单，扩展性更强，也更有趣。除此之外，Swift 还支持人见人爱的 Cocoa 和 Cocoa Touch 框架。拥有了这些特性，Swift将重新定义软件开发。</p> <p>Swift 是一种新的编程语言，用于编写 iOS 和 OS X 应用。Swift 结合了 C 和 Objective-C 的优点并且不受C的兼容性的限制。Swift 使用安全的编程模式并添加了很多新特性，这将使编程更简单，扩展性更强，也更有趣。除此之外，Swift 还支持人见人爱的 Cocoa 和 Cocoa Touch 框架。拥有了这些特性，Swift将重新定义软件开发。</p>

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chapter1/02_a_swift_tour.html
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<div class="book" data-level="1.2" data-basepath=".." data-revision="1402321232917"> <div class="book" data-level="1.2" data-basepath=".." data-revision="1402322595980">
<div class="book-header"> <div class="book-header">
<!-- Actions Left --> <!-- Actions Left -->
<a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a> <a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a>
@ -587,7 +587,7 @@
<div class="page-inner"> <div class="page-inner">
<section class="normal" id="section-gitbook_7"> <section class="normal" id="section-gitbook_77">
<h1 id="swift-">Swift 初见</h1> <h1 id="swift-">Swift 初见</h1>
<p>本页内容包括：</p> <p>本页内容包括：</p>
@ -794,7 +794,7 @@ func lessThanTen(number: Int) -&gt; Bool {
} }
var numbers = [20, 19, 7, 12] var numbers = [20, 19, 7, 12]
hasAnyMatches(numbers, lessThanTen) hasAnyMatches(numbers, lessThanTen)
</code></pre><p>函数实际上是一种特殊的闭包，你可以使用<code>{}</code>来创建一个匿名闭包。使用<code>in</code>来分割参数并返回类型。</p> </code></pre><p>函数实际上是一种特殊的闭包，你可以使用<code>{}</code>来创建一个匿名闭包。使用<code>in</code>来分割参数、返回值与执行体。</p>
<pre><code>numbers.map({ <pre><code>numbers.map({
(number: Int) -&gt; Int in (number: Int) -&gt; Int in
let result = 3 * number let result = 3 * number

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chapter1/chapter1.html
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<div class="book" data-level="1" data-basepath=".." data-revision="1402321232917"> <div class="book" data-level="1" data-basepath=".." data-revision="1402322595980">
<div class="book-header"> <div class="book-header">
<!-- Actions Left --> <!-- Actions Left -->
<a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a> <a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a>
@ -587,7 +587,7 @@
<div class="page-inner"> <div class="page-inner">
<section class="normal" id="section-gitbook_8"> <section class="normal" id="section-gitbook_78">
<h1 id="-swift">欢迎使用 Swift</h1> <h1 id="-swift">欢迎使用 Swift</h1>
<p>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。</p> <p>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。</p>

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chapter2/01_The_Basics.html
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<div class="book" data-level="2.1" data-basepath=".." data-revision="1402321232917"> <div class="book" data-level="2.1" data-basepath=".." data-revision="1402322595980">
<div class="book-header"> <div class="book-header">
<!-- Actions Left --> <!-- Actions Left -->
<a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a> <a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a>
@ -587,7 +587,7 @@
<div class="page-inner"> <div class="page-inner">
<section class="normal" id="section-gitbook_10"> <section class="normal" id="section-gitbook_80">
<h1 id="-">基础部分</h1> <h1 id="-">基础部分</h1>
<p>Swift 是 iOS 和 OS X 应用开发的一门新语言。然而，如果你有 C 或者 Objective-C 开发经验的话，你会发现 Swift 的很多内容都是你熟悉的。</p> <p>Swift 是 iOS 和 OS X 应用开发的一门新语言。然而，如果你有 C 或者 Objective-C 开发经验的话，你会发现 Swift 的很多内容都是你熟悉的。</p>

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chapter2/02_Basic_Operators.html
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<div class="book" data-level="2.2" data-basepath=".." data-revision="1402321232917"> <div class="book" data-level="2.2" data-basepath=".." data-revision="1402322595980">
<div class="book-header"> <div class="book-header">
<!-- Actions Left --> <!-- Actions Left -->
<a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a> <a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a>
@ -587,7 +587,7 @@
<div class="page-inner"> <div class="page-inner">
<section class="normal" id="section-gitbook_32"> <section class="normal" id="section-gitbook_102">
<h1 id="-">基础运算符</h1> <h1 id="-">基础运算符</h1>
<p>运算符是检查, 改变, 合并值的特殊符号或短语. 例如, 加号 <code>+</code> 把计算两个数的和(如 <code>let i = 1 + 2</code>). 复杂些的运行算包括逻辑与<code>&amp;&amp;</code>(如 <code>if enteredDoorCode &amp;&amp; passedRetinaScan</code>), 还有自增运算符 <code>++i</code> 这样让自身加一的便捷运算.</p> <p>运算符是检查, 改变, 合并值的特殊符号或短语. 例如, 加号 <code>+</code> 把计算两个数的和(如 <code>let i = 1 + 2</code>). 复杂些的运行算包括逻辑与<code>&amp;&amp;</code>(如 <code>if enteredDoorCode &amp;&amp; passedRetinaScan</code>), 还有自增运算符 <code>++i</code> 这样让自身加一的便捷运算.</p>

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chapter2/03_Strings_and_Characters.html
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<div class="book" data-level="2.3" data-basepath=".." data-revision="1402321232917"> <div class="book" data-level="2.3" data-basepath=".." data-revision="1402322595980">
<div class="book-header"> <div class="book-header">
<!-- Actions Left --> <!-- Actions Left -->
<a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a> <a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a>
@ -587,7 +587,7 @@
<div class="page-inner"> <div class="page-inner">
<section class="normal" id="section-gitbook_11"> <section class="normal" id="section-gitbook_81">
<h1 id="-strings-and-characters-">字符串和字符 (Strings and Characters)</h1> <h1 id="-strings-and-characters-">字符串和字符 (Strings and Characters)</h1>
<p>本页包含内容：</p> <p>本页包含内容：</p>

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chapter2/04_Collection_Types.html
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<div class="book" data-level="2.4" data-basepath=".." data-revision="1402321232917"> <div class="book" data-level="2.4" data-basepath=".." data-revision="1402322595980">
<div class="book-header"> <div class="book-header">
<!-- Actions Left --> <!-- Actions Left -->
<a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a> <a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a>
@ -587,7 +587,7 @@
<div class="page-inner"> <div class="page-inner">
<section class="normal" id="section-gitbook_23"> <section class="normal" id="section-gitbook_93">
<h1 id="-collection-types-">集合类型 (Collection Types)</h1> <h1 id="-collection-types-">集合类型 (Collection Types)</h1>

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chapter2/05_Control_Flow.html
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<div class="book" data-level="2.5" data-basepath=".." data-revision="1402321232917"> <div class="book" data-level="2.5" data-basepath=".." data-revision="1402322595980">
<div class="book-header"> <div class="book-header">
<!-- Actions Left --> <!-- Actions Left -->
<a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a> <a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a>
@ -587,7 +587,7 @@
<div class="page-inner"> <div class="page-inner">
<section class="normal" id="section-gitbook_25"> <section class="normal" id="section-gitbook_94">
<h1 id="-">控制流</h1> <h1 id="-">控制流</h1>
<p>Swift提供了类似C语言的流程控制结构，包括将任务执行多次的<code>for</code>和<code>while</code>循环，基于特定条件选择执行不同分支的<code>if</code>和<code>switch</code>语句，还有控制流程跳转到其他代码的<code>break</code>和<code>continue</code>语句。</p> <p>Swift提供了类似C语言的流程控制结构，包括将任务执行多次的<code>for</code>和<code>while</code>循环，基于特定条件选择执行不同分支的<code>if</code>和<code>switch</code>语句，还有控制流程跳转到其他代码的<code>break</code>和<code>continue</code>语句。</p>

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chapter2/06_Functions.html
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<div class="book" data-level="2.6" data-basepath=".." data-revision="1402321232917"> <div class="book" data-level="2.6" data-basepath=".." data-revision="1402322595980">
<div class="book-header"> <div class="book-header">
<!-- Actions Left --> <!-- Actions Left -->
<a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a> <a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a>
@ -587,7 +587,7 @@
<div class="page-inner"> <div class="page-inner">
<section class="normal" id="section-gitbook_24"> <section class="normal" id="section-gitbook_95">
<h1 id="-functions-">函数（Functions）</h1> <h1 id="-functions-">函数（Functions）</h1>
<p>本页包含内容：</p> <p>本页包含内容：</p>

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chapter2/07_Closures.html
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<div class="book" data-level="2.7" data-basepath=".." data-revision="1402321232917"> <div class="book" data-level="2.7" data-basepath=".." data-revision="1402322595980">
<div class="book-header"> <div class="book-header">
<!-- Actions Left --> <!-- Actions Left -->
<a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a> <a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a>
@ -587,7 +587,7 @@
<div class="page-inner"> <div class="page-inner">
<section class="normal" id="section-gitbook_26"> <section class="normal" id="section-gitbook_96">
<h1 id="-">闭包</h1> <h1 id="-">闭包</h1>
<p>本页内容包含：</p> <p>本页内容包含：</p>

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chapter2/08_Enumerations.html
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<div class="book" data-level="2.8" data-basepath=".." data-revision="1402321232917"> <div class="book" data-level="2.8" data-basepath=".." data-revision="1402322595980">
<div class="book-header"> <div class="book-header">
<!-- Actions Left --> <!-- Actions Left -->
<a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a> <a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a>
@ -587,7 +587,7 @@
<div class="page-inner"> <div class="page-inner">
<section class="normal" id="section-gitbook_27"> <section class="normal" id="section-gitbook_97">
<h1 id="-">枚举</h1> <h1 id="-">枚举</h1>
<p>本页内容包含：</p> <p>本页内容包含：</p>

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chapter2/09_Classes_and_Structures.html
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<div class="book" data-level="2.9" data-basepath=".." data-revision="1402321232917"> <div class="book" data-level="2.9" data-basepath=".." data-revision="1402322595980">
<div class="book-header"> <div class="book-header">
<!-- Actions Left --> <!-- Actions Left -->
<a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a> <a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a>
@ -587,7 +587,7 @@
<div class="page-inner"> <div class="page-inner">
<section class="normal" id="section-gitbook_29"> <section class="normal" id="section-gitbook_98">
<h3 id="-">类和结构体</h3> <h3 id="-">类和结构体</h3>
<p>本页包含内容：</p> <p>本页包含内容：</p>

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chapter2/10_Properties.html
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<div class="book" data-level="2.10" data-basepath=".." data-revision="1402321232917"> <div class="book" data-level="2.10" data-basepath=".." data-revision="1402322595980">
<div class="book-header"> <div class="book-header">
<!-- Actions Left --> <!-- Actions Left -->
<a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a> <a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a>
@ -587,7 +587,7 @@
<div class="page-inner"> <div class="page-inner">
<section class="normal" id="section-gitbook_28"> <section class="normal" id="section-gitbook_99">
<h1 id="-properties-">属性 (Properties)</h1> <h1 id="-properties-">属性 (Properties)</h1>
<p><strong>属性</strong>将值跟特定的类、结构或枚举关联。一种是存储属性，把常量或变量的值作为实例的一部分，一种是计算属性，它计算一个值。计算属性可以用于类、结构和枚举里，存储属性只能用于类和结构。</p> <p><strong>属性</strong>将值跟特定的类、结构或枚举关联。一种是存储属性，把常量或变量的值作为实例的一部分，一种是计算属性，它计算一个值。计算属性可以用于类、结构和枚举里，存储属性只能用于类和结构。</p>

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chapter2/11_Methods.html
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<div class="book" data-level="2.11" data-basepath=".." data-revision="1402321232917"> <div class="book" data-level="2.11" data-basepath=".." data-revision="1402322595980">
<div class="book-header"> <div class="book-header">
<!-- Actions Left --> <!-- Actions Left -->
<a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a> <a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a>
@ -587,7 +587,7 @@
<div class="page-inner"> <div class="page-inner">
<section class="normal" id="section-gitbook_30"> <section class="normal" id="section-gitbook_100">
<h1 id="-methods-">方法(Methods)</h1> <h1 id="-methods-">方法(Methods)</h1>
<p><strong>方法</strong>是与某些特定类型相关联的功能/函数。类、结构体、枚举都可以定义实例方法；实例方法为指定类型的实例封装了特定的任务与功能。类、结构体、枚举也可以定义类(型)方法(type itself)；类型方法与类型自身相关联。类型方法与Objective-C中的类方法(class methods)相似。</p> <p><strong>方法</strong>是与某些特定类型相关联的功能/函数。类、结构体、枚举都可以定义实例方法；实例方法为指定类型的实例封装了特定的任务与功能。类、结构体、枚举也可以定义类(型)方法(type itself)；类型方法与类型自身相关联。类型方法与Objective-C中的类方法(class methods)相似。</p>

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chapter2/12_Subscripts.html
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<div class="book" data-level="2.12" data-basepath=".." data-revision="1402321232917"> <div class="book" data-level="2.12" data-basepath=".." data-revision="1402322595980">
<div class="book-header"> <div class="book-header">
<!-- Actions Left --> <!-- Actions Left -->
<a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a> <a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a>
@ -587,7 +587,7 @@
<div class="page-inner"> <div class="page-inner">
<section class="normal" id="section-gitbook_31"> <section class="normal" id="section-gitbook_101">
<h1 id="-subscripts-">下标 (Subscripts)</h1> <h1 id="-subscripts-">下标 (Subscripts)</h1>
<p>下标可以定义在类(Class)、结构体(structures)和枚举(enumerations)这些目标中，可以认为是访问对象、集合或序列的快捷方式。举例来说，用下标访问一个数组(Array)实例中的元素可以这样写 <code>someArray[index]</code> ，访问字典(Dictionary)实例中的元素可以这样写 <code>someDictionary[key]</code>，而不需要再调用实例的某个方法来获得元素的值。</p> <p>下标可以定义在类(Class)、结构体(structures)和枚举(enumerations)这些目标中，可以认为是访问对象、集合或序列的快捷方式。举例来说，用下标访问一个数组(Array)实例中的元素可以这样写 <code>someArray[index]</code> ，访问字典(Dictionary)实例中的元素可以这样写 <code>someDictionary[key]</code>，而不需要再调用实例的某个方法来获得元素的值。</p>

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chapter2/13_Inheritance.html
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<div class="book" data-level="2.13" data-basepath=".." data-revision="1402321232917"> <div class="book" data-level="2.13" data-basepath=".." data-revision="1402322595980">
<div class="book-header"> <div class="book-header">
<!-- Actions Left --> <!-- Actions Left -->
<a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a> <a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a>
@ -587,7 +587,7 @@
<div class="page-inner"> <div class="page-inner">
<section class="normal" id="section-gitbook_9"> <section class="normal" id="section-gitbook_79">
<h1 id="-">继承</h1> <h1 id="-">继承</h1>
<p>一个类可以继承另一个类的方法，属性和其它特性。当一个类继承其它类，继承类叫子类，被继承类叫超类（或父类）。在Swift中，继承是区分「类」与其它类型的一个基本特征。</p> <p>一个类可以继承另一个类的方法，属性和其它特性。当一个类继承其它类，继承类叫子类，被继承类叫超类（或父类）。在Swift中，继承是区分「类」与其它类型的一个基本特征。</p>

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chapter2/14_Initialization.html
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<div class="book" data-level="2.14" data-basepath=".." data-revision="1402321232917"> <div class="book" data-level="2.14" data-basepath=".." data-revision="1402322595980">
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chapter2/15_Deinitialization.html
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<div class="book" data-level="2.15" data-basepath=".." data-revision="1402321232917"> <div class="book" data-level="2.15" data-basepath=".." data-revision="1402322595980">
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<!-- Actions Left --> <!-- Actions Left -->
<a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a> <a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a>
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<div class="page-inner"> <div class="page-inner">
<section class="normal" id="section-gitbook_34"> <section class="normal" id="section-gitbook_104">
<h1 id="-">析构过程</h1> <h1 id="-">析构过程</h1>
<p>在一个类的实例被释放之前，析构函数被立即调用。用关键字deinit来标示析构函数，类似于初始化函数用init来标示。析构函数只适用于类类型。</p> <p>在一个类的实例被释放之前，析构函数被立即调用。用关键字deinit来标示析构函数，类似于初始化函数用init来标示。析构函数只适用于类类型。</p>

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<div class="book-header"> <div class="book-header">
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<div class="page-inner"> <div class="page-inner">
<section class="normal" id="section-gitbook_35"> <section class="normal" id="section-gitbook_105">
<h1 id="-">自动引用计数</h1> <h1 id="-">自动引用计数</h1>
<p>本页包含内容：</p> <p>本页包含内容：</p>

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<h1 id="optional-chaining">Optional Chaining</h1> <h1 id="optional-chaining">Optional Chaining</h1>
<p>可选链（Optional Chaining）是一种可以请求和调用属性、方法及子脚本的过程，它的自判断性体现于请求或调用的目标当前可能为空（<code>nil</code>）。如果自判断的目标有值，那么调用就会成功；相反，如果选择的目标为空（<code>nil</code>），则这种调用将返回空（<code>nil</code>）。多次请求或调用可以被链接在一起形成一个链，如果任何一个节点为空（<code>nil</code>）将导致整个链失效。</p> <p>可选链（Optional Chaining）是一种可以请求和调用属性、方法及子脚本的过程，它的自判断性体现于请求或调用的目标当前可能为空（<code>nil</code>）。如果自判断的目标有值，那么调用就会成功；相反，如果选择的目标为空（<code>nil</code>），则这种调用将返回空（<code>nil</code>）。多次请求或调用可以被链接在一起形成一个链，如果任何一个节点为空（<code>nil</code>）将导致整个链失效。</p>

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<div class="page-inner"> <div class="page-inner">
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<h1 id="-type-casting-">类型检查（Type Casting）</h1> <h1 id="-type-casting-">类型检查（Type Casting）</h1>
<p>（ps：为了方便各位检验所以保留了英文，可删。） <p>（ps：为了方便各位检验所以保留了英文，可删。）

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<h1 id="-">类型嵌套</h1> <h1 id="-">类型嵌套</h1>
<p>本页包含内容：</p> <p>本页包含内容：</p>

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<h1 id="-extensions-">扩展（Extensions）</h1> <h1 id="-extensions-">扩展（Extensions）</h1>
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<h1 id="-">协议</h1> <h1 id="-">协议</h1>
<p><code>Protocol(协议)</code>定义了用于完成某项任务或功能的方法,属性等,它不具备任何功能的细节实现,只用来<strong>统一</strong>方法,属性等的名称和其类型.(<em>译者注: 其他语言中也把 <code>Portocol</code> 称为 <code>Interface(接口)</code></em> ).协议可以被<code>类,枚举,结构体</code>采纳并实现,任意满足了协议要求的<code>类,枚举,结构体</code>被称之为<code>协议遵循者</code>.</p> <p><code>Protocol(协议)</code>定义了用于完成某项任务或功能的方法,属性等,它不具备任何功能的细节实现,只用来<strong>统一</strong>方法,属性等的名称和其类型.(<em>译者注: 其他语言中也把 <code>Portocol</code> 称为 <code>Interface(接口)</code></em> ).协议可以被<code>类,枚举,结构体</code>采纳并实现,任意满足了协议要求的<code>类,枚举,结构体</code>被称之为<code>协议遵循者</code>.</p>

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<hr> <hr>

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<h1 id="swift-">Swift 教程</h1> <h1 id="swift-">Swift 教程</h1>
<p>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。</p> <p>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。</p>

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<h1 id="-">关于语言附注</h1> <h1 id="-">关于语言附注</h1>
<p>本书的这一节描述了Swift编程语言的形式语法。这里描述的语法是为了帮助您更详细的了解该语言，而不是让您直接实现一个解析器或编译器。</p> <p>本书的这一节描述了Swift编程语言的形式语法。这里描述的语法是为了帮助您更详细的了解该语言，而不是让您直接实现一个解析器或编译器。</p>

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<h1 id="-">语法结构</h1> <h1 id="-">语法结构</h1>
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<h1 id="-types-">类型（Types）</h1> <h1 id="-types-">类型（Types）</h1>
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<section class="normal" id="section-gitbook_47"> <section class="normal" id="section-gitbook_117">
<h1 id="-">特性</h1> <h1 id="-">特性</h1>
<p>特性提供了关于声明和类型的更多信息。在Swift中有两类特性，用于修饰声明的以及用于修饰类型的。例如，<code>required</code>特性，当应用于一个类的指定或便利初始化器声明时，表明它的每个子类都必须实现那个初始化器。再比如<code>noreturn</code>特性，当应用于函数或方法类型时，表明该函数或方法不会返回到它的调用者。</p> <p>特性提供了关于声明和类型的更多信息。在Swift中有两类特性，用于修饰声明的以及用于修饰类型的。例如，<code>required</code>特性，当应用于一个类的指定或便利初始化器声明时，表明它的每个子类都必须实现那个初始化器。再比如<code>noreturn</code>特性，当应用于函数或方法类型时，表明该函数或方法不会返回到它的调用者。</p>

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<h1 id="-">语句</h1> <h1 id="-">语句</h1>
<p>在 Swift 中，有两种类型的语句：简单语句和控制流语句。简单语句是最常见的，用于构造表达式和声明。控制流语句则用于控制程序执行的流程，Swift 中有三种类型的控制流语句：循环语句、分支语句和控制传递语句。</p> <p>在 Swift 中，有两种类型的语句：简单语句和控制流语句。简单语句是最常见的，用于构造表达式和声明。控制流语句则用于控制程序执行的流程，Swift 中有三种类型的控制流语句：循环语句、分支语句和控制传递语句。</p>

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<h1 id="swift-">Swift 编程语言</h1> <h1 id="swift-">Swift 编程语言</h1>
<p>Swift 是苹果在 WWDC 2014 上发布的一款全新的编程语言，本书译自苹果官方的 Swift 教程《The Swift Programming Language》。</p> <p>Swift 是苹果在 WWDC 2014 上发布的一款全新的编程语言，本书译自苹果官方的 Swift 教程《The Swift Programming Language》。</p>

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CACHE MANIFEST CACHE MANIFEST
# Revision 1402321232918 # Revision 1402322595981
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chapter2/01_The_Basics.html chapter2/01_The_Basics.html
chapter2/03_Strings_and_Characters.html chapter2/03_Strings_and_Characters.html
chapter2/04_Collection_Types.html chapter2/04_Collection_Types.html
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chapter2/07_Closures.html chapter2/07_Closures.html
chapter2/08_Enumerations.html chapter2/08_Enumerations.html
chapter2/10_Properties.html
chapter2/09_Classes_and_Structures.html chapter2/09_Classes_and_Structures.html
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chapter2/11_Methods.html chapter2/11_Methods.html
chapter2/12_Subscripts.html chapter2/12_Subscripts.html
chapter2/02_Basic_Operators.html chapter2/02_Basic_Operators.html

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@ -245,7 +245,7 @@
var numbers = [20, 19, 7, 12] var numbers = [20, 19, 7, 12]
hasAnyMatches(numbers, lessThanTen) hasAnyMatches(numbers, lessThanTen)
函数实际上是一种特殊的闭包，你可以使用`{}`来创建一个匿名闭包。使用`in`来分割参数并返回类型。 函数实际上是一种特殊的闭包，你可以使用`{}`来创建一个匿名闭包。使用`in`来分割参数、返回值与执行体。
numbers.map({ numbers.map({
(number: Int) -> Int in (number: Int) -> Int in