update 03/03
This commit is contained in:
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<div class="book" data-level="2.1" data-basepath=".." data-revision="1402311241483">
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<div class="book" data-level="2.1" data-basepath=".." data-revision="1402321232917">
|
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|
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<div class="page-inner">
|
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<section class="normal" id="section-gitbook_8">
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||||
<section class="normal" id="section-gitbook_10">
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||||
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||||
<h1 id="-">基础部分</h1>
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||||
<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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<div class="book" data-level="2.2" data-basepath=".." data-revision="1402311241483">
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||||
<div class="book" data-level="2.2" data-basepath=".." data-revision="1402321232917">
|
||||
<div class="book-header">
|
||||
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<div class="page-inner">
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<section class="normal" id="section-gitbook_30">
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||||
<section class="normal" id="section-gitbook_32">
|
||||
|
||||
<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>&&</code>(如 <code>if enteredDoorCode && 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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<div class="book" data-level="2.3" data-basepath=".." data-revision="1402311241483">
|
||||
<div class="book" data-level="2.3" data-basepath=".." data-revision="1402321232917">
|
||||
<div class="book-header">
|
||||
<!-- Actions Left -->
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||||
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|
||||
<div class="page-inner">
|
||||
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||||
<section class="normal" id="section-gitbook_9">
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||||
<section class="normal" id="section-gitbook_11">
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||||
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||||
<h1 id="-strings-and-characters-">字符串和字符 (Strings and Characters)</h1>
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||||
<p>本页包含内容:</p>
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||||
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<div class="book" data-level="2.4" data-basepath=".." data-revision="1402311241483">
|
||||
<div class="book" data-level="2.4" data-basepath=".." data-revision="1402321232917">
|
||||
<div class="book-header">
|
||||
<!-- Actions Left -->
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|
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||||
|
||||
<div class="page-inner">
|
||||
|
||||
<section class="normal" id="section-gitbook_21">
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||||
<section class="normal" id="section-gitbook_23">
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||||
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||||
<h1 id="-collection-types-">集合类型 (Collection Types)</h1>
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||||
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||||
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||||
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<div class="book" data-level="2.5" data-basepath=".." data-revision="1402311241483">
|
||||
<div class="book" data-level="2.5" data-basepath=".." data-revision="1402321232917">
|
||||
<div class="book-header">
|
||||
<!-- Actions Left -->
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|
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<div class="page-inner">
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<section class="normal" id="section-gitbook_22">
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<section class="normal" id="section-gitbook_25">
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<h1 id="-">控制流</h1>
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<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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<div class="book" data-level="2.6" data-basepath=".." data-revision="1402311241483">
|
||||
<div class="book" data-level="2.6" data-basepath=".." data-revision="1402321232917">
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||||
<div class="book-header">
|
||||
<!-- Actions Left -->
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||||
<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">
|
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<section class="normal" id="section-gitbook_23">
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<section class="normal" id="section-gitbook_24">
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<h1 id="-functions-">函数(Functions)</h1>
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<p>本页包含内容:</p>
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<div class="book" data-level="2.7" data-basepath=".." data-revision="1402311241483">
|
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<div class="book" data-level="2.7" data-basepath=".." data-revision="1402321232917">
|
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<div class="book-header">
|
||||
<!-- Actions Left -->
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<div class="page-inner">
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<section class="normal" id="section-gitbook_24">
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<section class="normal" id="section-gitbook_26">
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<h1 id="-">闭包</h1>
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<p>本页内容包含:</p>
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<div class="book" data-level="2.8" data-basepath=".." data-revision="1402311241483">
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||||
<div class="book" data-level="2.8" data-basepath=".." data-revision="1402321232917">
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||||
<div class="book-header">
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||||
<!-- Actions Left -->
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<div class="page-inner">
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<section class="normal" id="section-gitbook_25">
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<section class="normal" id="section-gitbook_27">
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<h1 id="-">枚举</h1>
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<p>本页内容包含:</p>
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<div class="book" data-level="2.9" data-basepath=".." data-revision="1402311241483">
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||||
<div class="book" data-level="2.9" data-basepath=".." data-revision="1402321232917">
|
||||
<div class="book-header">
|
||||
<!-- Actions Left -->
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||||
<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">
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||||
<section class="normal" id="section-gitbook_26">
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||||
<section class="normal" id="section-gitbook_29">
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||||
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||||
<h3 id="-">类和结构体</h3>
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<p>本页包含内容:</p>
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<div class="book" data-level="2.10" data-basepath=".." data-revision="1402311241483">
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||||
<div class="book" data-level="2.10" data-basepath=".." data-revision="1402321232917">
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||||
<div class="book-header">
|
||||
<!-- Actions Left -->
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<div class="page-inner">
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<section class="normal" id="section-gitbook_27">
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<section class="normal" id="section-gitbook_28">
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||||
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||||
<h1 id="-properties-">属性 (Properties)</h1>
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<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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<div class="book" data-level="2.11" data-basepath=".." data-revision="1402311241483">
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||||
<div class="book" data-level="2.11" data-basepath=".." data-revision="1402321232917">
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||||
<div class="book-header">
|
||||
<!-- Actions Left -->
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<div class="page-inner">
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<section class="normal" id="section-gitbook_28">
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<section class="normal" id="section-gitbook_30">
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<h1 id="-methods-">方法(Methods)</h1>
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||||
<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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||||
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||||
<div class="book" data-level="2.12" data-basepath=".." data-revision="1402311241483">
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||||
<div class="book" data-level="2.12" data-basepath=".." data-revision="1402321232917">
|
||||
<div class="book-header">
|
||||
<!-- Actions Left -->
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<div class="page-inner">
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<section class="normal" id="section-gitbook_29">
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||||
<section class="normal" id="section-gitbook_31">
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||||
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||||
<h1 id="-subscripts-">下标 (Subscripts)</h1>
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||||
<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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||||
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||||
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||||
<div class="book" data-level="2.13" data-basepath=".." data-revision="1402311241483">
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||||
<div class="book" data-level="2.13" data-basepath=".." data-revision="1402321232917">
|
||||
<div class="book-header">
|
||||
<!-- Actions Left -->
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||||
<div class="page-inner">
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<section class="normal" id="section-gitbook_7">
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||||
<section class="normal" id="section-gitbook_9">
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||||
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||||
<h1 id="-">继承</h1>
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||||
<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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||||
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||||
<div class="book" data-level="2.14" data-basepath=".." data-revision="1402311241483">
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||||
<div class="book" data-level="2.14" data-basepath=".." data-revision="1402321232917">
|
||||
<div class="book-header">
|
||||
<!-- Actions Left -->
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||||
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||||
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||||
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||||
<div class="book" data-level="2.15" data-basepath=".." data-revision="1402311241483">
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||||
<div class="book" data-level="2.15" data-basepath=".." data-revision="1402321232917">
|
||||
<div class="book-header">
|
||||
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<div class="page-inner">
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<section class="normal" id="section-gitbook_32">
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||||
<section class="normal" id="section-gitbook_34">
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||||
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||||
<h1 id="-">析构过程</h1>
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||||
<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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||||
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||||
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||||
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||||
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||||
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||||
<div class="book" data-level="2.16" data-basepath=".." data-revision="1402311241483">
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||||
<div class="book" data-level="2.16" data-basepath=".." data-revision="1402321232917">
|
||||
<div class="book-header">
|
||||
<!-- Actions Left -->
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||||
<div class="page-inner">
|
||||
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||||
<section class="normal" id="section-gitbook_33">
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||||
<section class="normal" id="section-gitbook_35">
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||||
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||||
<h1 id="-">自动引用计数</h1>
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||||
<p>本页包含内容:</p>
|
||||
|
||||
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||||
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||||
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||||
|
||||
<div class="book" data-level="2.17" data-basepath=".." data-revision="1402311241483">
|
||||
<div class="book" data-level="2.17" data-basepath=".." data-revision="1402321232917">
|
||||
<div class="book-header">
|
||||
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||||
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||||
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||||
<div class="page-inner">
|
||||
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||||
<section class="normal" id="section-gitbook_34">
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||||
<section class="normal" id="section-gitbook_36">
|
||||
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||||
<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>
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||||
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||||
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||||
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||||
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||||
|
||||
<div class="book" data-level="2.18" data-basepath=".." data-revision="1402311241483">
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||||
<div class="book" data-level="2.18" data-basepath=".." data-revision="1402321232917">
|
||||
<div class="book-header">
|
||||
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|
||||
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||||
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||||
|
||||
<div class="page-inner">
|
||||
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||||
<section class="normal" id="section-gitbook_35">
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||||
<section class="normal" id="section-gitbook_37">
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||||
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||||
<h1 id="-type-casting-">类型检查(Type Casting)</h1>
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||||
<p>(ps:为了方便各位检验所以保留了英文,可删。)
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||||
|
||||
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||||
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||||
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||||
|
||||
<div class="book" data-level="2.19" data-basepath=".." data-revision="1402311241483">
|
||||
<div class="book" data-level="2.19" data-basepath=".." data-revision="1402321232917">
|
||||
<div class="book-header">
|
||||
<!-- Actions Left -->
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||||
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||||
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||||
|
||||
<div class="page-inner">
|
||||
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||||
<section class="normal" id="section-gitbook_36">
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||||
<section class="normal" id="section-gitbook_38">
|
||||
|
||||
<h1 id="-">类型嵌套</h1>
|
||||
<p>本页包含内容:</p>
|
||||
|
||||
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|
||||
|
||||
|
||||
|
||||
<div class="book" data-level="2.20" data-basepath=".." data-revision="1402311241483">
|
||||
<div class="book" data-level="2.20" data-basepath=".." data-revision="1402321232917">
|
||||
<div class="book-header">
|
||||
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||||
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||||
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||||
|
||||
<div class="page-inner">
|
||||
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||||
<section class="normal" id="section-gitbook_37">
|
||||
<section class="normal" id="section-gitbook_39">
|
||||
|
||||
<h1 id="-extensions-">扩展(Extensions)</h1>
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||||
<hr>
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||||
|
||||
@ -46,7 +46,7 @@
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||||
|
||||
|
||||
|
||||
<div class="book" data-level="2.21" data-basepath=".." data-revision="1402311241483">
|
||||
<div class="book" data-level="2.21" data-basepath=".." data-revision="1402321232917">
|
||||
<div class="book-header">
|
||||
<!-- Actions Left -->
|
||||
<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">
|
||||
|
||||
<section class="normal" id="section-gitbook_39">
|
||||
<section class="normal" id="section-gitbook_41">
|
||||
|
||||
<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>
|
||||
|
||||
@ -46,7 +46,7 @@
|
||||
|
||||
|
||||
|
||||
<div class="book" data-level="2.22" data-basepath=".." data-revision="1402311241483">
|
||||
<div class="book" data-level="2.22" data-basepath=".." data-revision="1402321232917">
|
||||
<div class="book-header">
|
||||
<!-- Actions Left -->
|
||||
<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">
|
||||
|
||||
<section class="normal" id="section-gitbook_40">
|
||||
<section class="normal" id="section-gitbook_42">
|
||||
|
||||
<h1 id="-">泛型</h1>
|
||||
<hr>
|
||||
|
||||
@ -46,7 +46,7 @@
|
||||
|
||||
|
||||
|
||||
<div class="book" data-level="2.23" data-basepath=".." data-revision="1402311241483">
|
||||
<div class="book" data-level="2.23" data-basepath=".." data-revision="1402321232917">
|
||||
<div class="book-header">
|
||||
<!-- Actions Left -->
|
||||
<a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a>
|
||||
|
||||
@ -46,7 +46,7 @@
|
||||
|
||||
|
||||
|
||||
<div class="book" data-level="2" data-basepath=".." data-revision="1402311241483">
|
||||
<div class="book" data-level="2" data-basepath=".." data-revision="1402321232917">
|
||||
<div class="book-header">
|
||||
<!-- Actions Left -->
|
||||
<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">
|
||||
|
||||
<section class="normal" id="section-gitbook_44">
|
||||
<section class="normal" id="section-gitbook_46">
|
||||
|
||||
<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>
|
||||
|
||||
Reference in New Issue
Block a user