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chapter2/11_Methods.html
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<div class="book" data-level="2.11" data-basepath=".." data-revision="1402397411238">
<div class="book" data-level="2.11" data-basepath=".." data-revision="1402402017737">
<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>
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<div class="page-inner">
<section class="normal" id="section-gitbook_34">
<section class="normal" id="section-gitbook_42">
<h1 id="-methods-">方法(Methods)</h1>
<h1 id="-methods-">方法（Methods）</h1>
<hr>
<p><strong>方法</strong>是与某些特定类型相关联的函数。类、结构体、枚举都可以定义实例方法；实例方法为给定类型的实例封装了具体的任务与功能。类、结构体、枚举也可以定义类型方法；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>在Swift中,结构体和枚举能够定义方法；事实上这是Swift与C/Objective-C的主要区别之一。在Objective-C中,类是唯一能定义方法的类型。但在Swift中，你不仅能选择是否要定义一个类/结构体/枚举，还能灵活的在你创建的类型(类/结构体/枚举)上定义方法。</p>
<h3 id="-instance-methods-">实例方法(Instance Methods)</h3>