make gitbook
This commit is contained in:
@ -46,7 +46,7 @@
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<div class="book" data-level="1.1" data-basepath=".." data-revision="1402673847562">
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||||
<div class="book" data-level="1.1" data-basepath=".." data-revision="1402674872336">
|
||||
<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>
|
||||
@ -587,7 +587,7 @@
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||||
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||||
<div class="page-inner">
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||||
<section class="normal" id="section-gitbook_12">
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<section class="normal" id="section-gitbook_196">
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<blockquote>
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<p>翻译:numbbbbb</p>
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@ -46,7 +46,7 @@
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<div class="book" data-level="1.2" data-basepath=".." data-revision="1402673847562">
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||||
<div class="book" data-level="1.2" data-basepath=".." data-revision="1402674872336">
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||||
<div class="book-header">
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||||
<!-- 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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||||
@ -587,7 +587,7 @@
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<div class="page-inner">
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<section class="normal" id="section-gitbook_14">
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<section class="normal" id="section-gitbook_198">
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<blockquote>
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<p>翻译:numbbbbb
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@ -46,7 +46,7 @@
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<div class="book" data-level="1" data-basepath=".." data-revision="1402673847562">
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<div class="book" data-level="1" data-basepath=".." data-revision="1402674872336">
|
||||
<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 @@
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||||
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||||
<div class="page-inner">
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<section class="normal" id="section-gitbook_16">
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<section class="normal" id="section-gitbook_200">
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<h1 id="-swift">欢迎使用 Swift</h1>
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<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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@ -46,7 +46,7 @@
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<div class="book" data-level="2.1" data-basepath=".." data-revision="1402673847562">
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<div class="book" data-level="2.1" data-basepath=".." data-revision="1402674872336">
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||||
<div class="book-header">
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||||
<!-- 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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||||
@ -587,7 +587,7 @@
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<div class="page-inner">
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<section class="normal" id="section-gitbook_19">
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<section class="normal" id="section-gitbook_205">
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<blockquote>
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<p>翻译:numbbbbb, lyuka, JaySurplus</p>
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@ -769,15 +769,15 @@ let binaryInteger = 0b10001 // 二进制的17
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let octalInteger = 0o21 // 八进制的17
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let hexadecimalInteger = 0x11 // 十六进制的17
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</code></pre><p>浮点字面量可以是十进制(没有前缀)或者是十六进制(前缀是<code>0x</code>)。小数点两边必须有至少一个十进制数字(或者是十六进制的数字)。浮点字面量还有一个可选的<em>指数(exponent)</em>,在十进制浮点数中通过大写或者小写的<code>e</code>来指定,在十六进制浮点数中通过大写或者小写的<code>p</code>来指定。</p>
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<p>如果一个十进制数的指数为<code>exp</code>,那这个数相当于基数和$10^{exp}$的乘积:</p>
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<p>如果一个十进制数的指数为<code>exp</code>,那这个数相当于基数和10^exp的乘积:</p>
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<ul>
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<li><code>1.25e2</code> 表示 $1.25 × 10^{2}$,等于 <code>125.0</code>。</li>
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<li><code>1.25e-2</code> 表示 $1.25 × 10^{-2}$,等于 <code>0.0125</code>。</li>
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<li><code>1.25e2</code> 表示 1.25 × 10^2,等于 <code>125.0</code>。</li>
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<li><code>1.25e-2</code> 表示 1.25 × 10^-2,等于 <code>0.0125</code>。</li>
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</ul>
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<p>如果一个十六进制数的指数为<code>exp</code>,那这个数相当于基数和$2^{exp}$的乘积:</p>
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<p>如果一个十六进制数的指数为<code>exp</code>,那这个数相当于基数和2^exp的乘积:</p>
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<ul>
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<li><code>0xFp2</code> 表示 $15 × 2^{2}$,等于 <code>60.0</code>。</li>
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<li><code>0xFp-2</code> 表示 $15 × 2^{-2}$,等于 <code>3.75</code>。</li>
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<li><code>0xFp2</code> 表示 15 × 2^2,等于 <code>60.0</code>。</li>
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<li><code>0xFp-2</code> 表示 15 × 2^-2,等于 <code>3.75</code>。</li>
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</ul>
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<p>下面的这些浮点字面量都等于十进制的<code>12.1875</code>:</p>
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<pre><code>let decimalDouble = 12.1875
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@ -46,7 +46,7 @@
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<div class="book" data-level="2.2" data-basepath=".." data-revision="1402673847562">
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<div class="book" data-level="2.2" data-basepath=".." data-revision="1402674872336">
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<div class="book-header">
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<!-- 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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@ -587,7 +587,7 @@
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<div class="page-inner">
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<section class="normal" id="section-gitbook_40">
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<section class="normal" id="section-gitbook_224">
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<blockquote>
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<p>翻译:xielingwang</p>
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@ -46,7 +46,7 @@
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<div class="book" data-level="2.3" data-basepath=".." data-revision="1402673847562">
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<div class="book" data-level="2.3" data-basepath=".." data-revision="1402674872336">
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<div class="book-header">
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<!-- 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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@ -587,7 +587,7 @@
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<div class="page-inner">
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<section class="normal" id="section-gitbook_21">
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<section class="normal" id="section-gitbook_203">
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<blockquote>
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<p>翻译:wh1100717</p>
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@ -46,7 +46,7 @@
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<div class="book" data-level="2.4" data-basepath=".." data-revision="1402673847562">
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<div class="book" data-level="2.4" data-basepath=".." data-revision="1402674872336">
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<div class="book-header">
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<!-- 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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@ -587,7 +587,7 @@
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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_207">
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<blockquote>
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<p>翻译:zqp</p>
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@ -46,7 +46,7 @@
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<div class="book" data-level="2.5" data-basepath=".." data-revision="1402673847562">
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<div class="book" data-level="2.5" data-basepath=".." data-revision="1402674872336">
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<div class="book-header">
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<!-- 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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@ -587,7 +587,7 @@
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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_209">
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<blockquote>
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<p>翻译:vclwei, coverxit, NicePiao</p>
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@ -46,7 +46,7 @@
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<div class="book" data-level="2.6" data-basepath=".." data-revision="1402673847562">
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<div class="book" data-level="2.6" data-basepath=".." data-revision="1402674872336">
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<div class="book-header">
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<!-- 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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@ -587,7 +587,7 @@
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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_215">
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<blockquote>
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<p>翻译:honghaoz</p>
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@ -46,7 +46,7 @@
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<div class="book" data-level="2.7" data-basepath=".." data-revision="1402673847562">
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<div class="book" data-level="2.7" data-basepath=".." data-revision="1402674872336">
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<div class="book-header">
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<!-- 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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@ -587,7 +587,7 @@
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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_211">
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<blockquote>
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<p>翻译:wh1100717</p>
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@ -46,7 +46,7 @@
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<div class="book" data-level="2.8" data-basepath=".." data-revision="1402673847562">
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<div class="book" data-level="2.8" data-basepath=".." data-revision="1402674872336">
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<div class="book-header">
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||||
<!-- 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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||||
@ -587,7 +587,7 @@
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||||
<div class="page-inner">
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<section class="normal" id="section-gitbook_31">
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<section class="normal" id="section-gitbook_213">
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<blockquote>
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<p>翻译:yankuangshi</p>
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@ -46,7 +46,7 @@
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<div class="book" data-level="2.9" data-basepath=".." data-revision="1402673847562">
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<div class="book" data-level="2.9" data-basepath=".." data-revision="1402674872336">
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<div class="book-header">
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||||
<!-- 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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||||
@ -587,7 +587,7 @@
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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_219">
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<blockquote>
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<p>翻译:JaySurplus</p>
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@ -46,7 +46,7 @@
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<div class="book" data-level="2.10" data-basepath=".." data-revision="1402673847562">
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<div class="book" data-level="2.10" data-basepath=".." data-revision="1402674872336">
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<div class="book-header">
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||||
<!-- 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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||||
@ -587,7 +587,7 @@
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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_217">
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<blockquote>
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<p>翻译:shinyzhu</p>
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@ -46,7 +46,7 @@
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<div class="book" data-level="2.11" data-basepath=".." data-revision="1402673847562">
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<div class="book" data-level="2.11" data-basepath=".." data-revision="1402674872336">
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||||
<div class="book-header">
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||||
<!-- 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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||||
@ -587,7 +587,7 @@
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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_220">
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<blockquote>
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<p>翻译:pp-prog</p>
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@ -46,7 +46,7 @@
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<div class="book" data-level="2.12" data-basepath=".." data-revision="1402673847562">
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<div class="book" data-level="2.12" data-basepath=".." data-revision="1402674872336">
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||||
<div class="book-header">
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||||
<!-- 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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||||
@ -587,7 +587,7 @@
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||||
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||||
<div class="page-inner">
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||||
<section class="normal" id="section-gitbook_38">
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<section class="normal" id="section-gitbook_222">
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<blockquote>
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<p>翻译:siemenliu</p>
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@ -46,7 +46,7 @@
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||||
<div class="book" data-level="2.13" data-basepath=".." data-revision="1402673847562">
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||||
<div class="book" data-level="2.13" data-basepath=".." data-revision="1402674872336">
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||||
<div class="book-header">
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||||
<!-- 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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||||
@ -587,7 +587,7 @@
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||||
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||||
<div class="page-inner">
|
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||||
<section class="normal" id="section-gitbook_17">
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<section class="normal" id="section-gitbook_201">
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||||
<blockquote>
|
||||
<p>翻译:Hawstein</p>
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||||
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@ -46,7 +46,7 @@
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||||
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||||
|
||||
<div class="book" data-level="2.14" data-basepath=".." data-revision="1402673847562">
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||||
<div class="book" data-level="2.14" data-basepath=".." data-revision="1402674872336">
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||||
<div class="book-header">
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||||
<!-- 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>
|
||||
@ -587,7 +587,7 @@
|
||||
|
||||
<div class="page-inner">
|
||||
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||||
<section class="normal" id="section-gitbook_42">
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||||
<section class="normal" id="section-gitbook_226">
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||||
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||||
<blockquote>
|
||||
<p>翻译:lifedim</p>
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||||
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||||
@ -46,7 +46,7 @@
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||||
|
||||
|
||||
|
||||
<div class="book" data-level="2.15" data-basepath=".." data-revision="1402673847562">
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||||
<div class="book" data-level="2.15" data-basepath=".." data-revision="1402674872336">
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||||
<div class="book-header">
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||||
<!-- 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>
|
||||
@ -587,7 +587,7 @@
|
||||
|
||||
<div class="page-inner">
|
||||
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||||
<section class="normal" id="section-gitbook_44">
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||||
<section class="normal" id="section-gitbook_228">
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||||
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||||
<blockquote>
|
||||
<p>翻译:bruce0505</p>
|
||||
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@ -46,7 +46,7 @@
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||||
|
||||
|
||||
|
||||
<div class="book" data-level="2.16" data-basepath=".." data-revision="1402673847562">
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||||
<div class="book" data-level="2.16" data-basepath=".." data-revision="1402674872336">
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||||
<div class="book-header">
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||||
<!-- 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>
|
||||
@ -587,7 +587,7 @@
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||||
|
||||
<div class="page-inner">
|
||||
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||||
<section class="normal" id="section-gitbook_46">
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||||
<section class="normal" id="section-gitbook_230">
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||||
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||||
<blockquote>
|
||||
<p>翻译:TimothyYe</p>
|
||||
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||||
@ -46,7 +46,7 @@
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||||
|
||||
|
||||
|
||||
<div class="book" data-level="2.17" data-basepath=".." data-revision="1402673847562">
|
||||
<div class="book" data-level="2.17" data-basepath=".." data-revision="1402674872336">
|
||||
<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">
|
||||
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||||
<section class="normal" id="section-gitbook_48">
|
||||
<section class="normal" id="section-gitbook_232">
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||||
|
||||
<blockquote>
|
||||
<p>翻译:Jasonbroker</p>
|
||||
|
||||
@ -46,7 +46,7 @@
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||||
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||||
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||||
|
||||
<div class="book" data-level="2.18" data-basepath=".." data-revision="1402673847562">
|
||||
<div class="book" data-level="2.18" data-basepath=".." data-revision="1402674872336">
|
||||
<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_50">
|
||||
<section class="normal" id="section-gitbook_234">
|
||||
|
||||
<blockquote>
|
||||
<p>翻译:xiehurricane</p>
|
||||
|
||||
@ -46,7 +46,7 @@
|
||||
|
||||
|
||||
|
||||
<div class="book" data-level="2.19" data-basepath=".." data-revision="1402673847562">
|
||||
<div class="book" data-level="2.19" data-basepath=".." data-revision="1402674872336">
|
||||
<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_52">
|
||||
<section class="normal" id="section-gitbook_236">
|
||||
|
||||
<blockquote>
|
||||
<p>翻译:Lin-H</p>
|
||||
|
||||
@ -46,7 +46,7 @@
|
||||
|
||||
|
||||
|
||||
<div class="book" data-level="2.20" data-basepath=".." data-revision="1402673847562">
|
||||
<div class="book" data-level="2.20" data-basepath=".." data-revision="1402674872336">
|
||||
<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_54">
|
||||
<section class="normal" id="section-gitbook_238">
|
||||
|
||||
<blockquote>
|
||||
<p>翻译:lyuka</p>
|
||||
|
||||
@ -46,7 +46,7 @@
|
||||
|
||||
|
||||
|
||||
<div class="book" data-level="2.21" data-basepath=".." data-revision="1402673847562">
|
||||
<div class="book" data-level="2.21" data-basepath=".." data-revision="1402674872336">
|
||||
<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_56">
|
||||
<section class="normal" id="section-gitbook_240">
|
||||
|
||||
<blockquote>
|
||||
<p>翻译:geek5nan</p>
|
||||
|
||||
@ -46,7 +46,7 @@
|
||||
|
||||
|
||||
|
||||
<div class="book" data-level="2.22" data-basepath=".." data-revision="1402673847562">
|
||||
<div class="book" data-level="2.22" data-basepath=".." data-revision="1402674872336">
|
||||
<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_58">
|
||||
<section class="normal" id="section-gitbook_242">
|
||||
|
||||
<blockquote>
|
||||
<p>翻译:takalard</p>
|
||||
|
||||
@ -46,7 +46,7 @@
|
||||
|
||||
|
||||
|
||||
<div class="book" data-level="2.23" data-basepath=".." data-revision="1402673847562">
|
||||
<div class="book" data-level="2.23" data-basepath=".." data-revision="1402674872336">
|
||||
<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_60">
|
||||
<section class="normal" id="section-gitbook_244">
|
||||
|
||||
<blockquote>
|
||||
<p>翻译:xielingwang</p>
|
||||
|
||||
@ -46,7 +46,7 @@
|
||||
|
||||
|
||||
|
||||
<div class="book" data-level="2" data-basepath=".." data-revision="1402673847562">
|
||||
<div class="book" data-level="2" data-basepath=".." data-revision="1402674872336">
|
||||
<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_62">
|
||||
<section class="normal" id="section-gitbook_246">
|
||||
|
||||
<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>
|
||||
|
||||
@ -46,7 +46,7 @@
|
||||
|
||||
|
||||
|
||||
<div class="book" data-level="3.1" data-basepath=".." data-revision="1402673847562">
|
||||
<div class="book" data-level="3.1" data-basepath=".." data-revision="1402674872336">
|
||||
<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_65">
|
||||
<section class="normal" id="section-gitbook_249">
|
||||
|
||||
<blockquote>
|
||||
<p>翻译:ChildhoodAndy</p>
|
||||
|
||||
@ -46,7 +46,7 @@
|
||||
|
||||
|
||||
|
||||
<div class="book" data-level="3.2" data-basepath=".." data-revision="1402673847562">
|
||||
<div class="book" data-level="3.2" data-basepath=".." data-revision="1402674872336">
|
||||
<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_73">
|
||||
<section class="normal" id="section-gitbook_257">
|
||||
|
||||
<blockquote>
|
||||
<p>翻译:superkam</p>
|
||||
|
||||
@ -46,7 +46,7 @@
|
||||
|
||||
|
||||
|
||||
<div class="book" data-level="3.3" data-basepath=".." data-revision="1402673847562">
|
||||
<div class="book" data-level="3.3" data-basepath=".." data-revision="1402674872336">
|
||||
<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_67">
|
||||
<section class="normal" id="section-gitbook_251">
|
||||
|
||||
<blockquote>
|
||||
<p>翻译:lyuka</p>
|
||||
|
||||
@ -46,7 +46,7 @@
|
||||
|
||||
|
||||
|
||||
<div class="book" data-level="3.4" data-basepath=".." data-revision="1402673847562">
|
||||
<div class="book" data-level="3.4" data-basepath=".." data-revision="1402674872336">
|
||||
<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_69">
|
||||
<section class="normal" id="section-gitbook_253">
|
||||
|
||||
<blockquote>
|
||||
<p>翻译:sg552</p>
|
||||
|
||||
@ -46,7 +46,7 @@
|
||||
|
||||
|
||||
|
||||
<div class="book" data-level="3.6" data-basepath=".." data-revision="1402673847562">
|
||||
<div class="book" data-level="3.6" data-basepath=".." data-revision="1402674872336">
|
||||
<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_71">
|
||||
<section class="normal" id="section-gitbook_255">
|
||||
|
||||
<blockquote>
|
||||
<p>翻译:marsprince</p>
|
||||
|
||||
@ -46,7 +46,7 @@
|
||||
|
||||
|
||||
|
||||
<div class="book" data-level="3.7" data-basepath=".." data-revision="1402673847562">
|
||||
<div class="book" data-level="3.7" data-basepath=".." data-revision="1402674872336">
|
||||
<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_63">
|
||||
<section class="normal" id="section-gitbook_247">
|
||||
|
||||
<blockquote>
|
||||
<p>翻译:Hawstein</p>
|
||||
|
||||
@ -46,7 +46,7 @@
|
||||
|
||||
|
||||
|
||||
<div class="book" data-level="3.8" data-basepath=".." data-revision="1402673847562">
|
||||
<div class="book" data-level="3.8" data-basepath=".." data-revision="1402674872336">
|
||||
<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_75">
|
||||
<section class="normal" id="section-gitbook_259">
|
||||
|
||||
<blockquote>
|
||||
<p>翻译:honghaoz</p>
|
||||
|
||||
@ -46,7 +46,7 @@
|
||||
|
||||
|
||||
|
||||
<div class="book" data-level="3.9" data-basepath=".." data-revision="1402673847562">
|
||||
<div class="book" data-level="3.9" data-basepath=".." data-revision="1402674872336">
|
||||
<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_77">
|
||||
<section class="normal" id="section-gitbook_261">
|
||||
|
||||
<blockquote>
|
||||
<p>翻译:fd5788</p>
|
||||
|
||||
@ -44,7 +44,7 @@
|
||||
|
||||
|
||||
|
||||
<div class="book" data-level="3.10" data-basepath=".." data-revision="1402673847562">
|
||||
<div class="book" data-level="3.10" data-basepath=".." data-revision="1402674872336">
|
||||
<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>
|
||||
@ -585,7 +585,7 @@
|
||||
|
||||
<div class="page-inner">
|
||||
|
||||
<section class="normal" id="section-gitbook_79">
|
||||
<section class="normal" id="section-gitbook_264">
|
||||
|
||||
<blockquote>
|
||||
<p>翻译:StanZhai</p>
|
||||
|
||||
@ -46,7 +46,7 @@
|
||||
|
||||
|
||||
|
||||
<div class="book" data-level="3.5" data-basepath=".." data-revision="1402673847562">
|
||||
<div class="book" data-level="3.5" data-basepath=".." data-revision="1402674872336">
|
||||
<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_81">
|
||||
<section class="normal" id="section-gitbook_266">
|
||||
|
||||
<blockquote>
|
||||
<p>翻译:coverxit</p>
|
||||
|
||||
@ -46,7 +46,7 @@
|
||||
|
||||
|
||||
|
||||
<div class="book" data-level="3" data-basepath=".." data-revision="1402673847562">
|
||||
<div class="book" data-level="3" data-basepath=".." data-revision="1402674872336">
|
||||
<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>
|
||||
|
||||
@ -44,7 +44,7 @@
|
||||
|
||||
|
||||
|
||||
<div class="book" data-level="0" data-basepath="." data-revision="1402673847562">
|
||||
<div class="book" data-level="0" data-basepath="." data-revision="1402674872336">
|
||||
<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>
|
||||
@ -585,7 +585,7 @@
|
||||
|
||||
<div class="page-inner">
|
||||
|
||||
<section class="normal" id="section-gitbook_11">
|
||||
<section class="normal" id="section-gitbook_195">
|
||||
|
||||
<blockquote>
|
||||
<p>Swift 中文翻译组:364279588(要求对翻译感兴趣)</p>
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
CACHE MANIFEST
|
||||
# Revision 1402673847563
|
||||
# Revision 1402674872341
|
||||
|
||||
CACHE:
|
||||
index.html
|
||||
@ -7,15 +7,15 @@ chapter1/01_swift.html
|
||||
chapter1/02_a_swift_tour.html
|
||||
chapter1/chapter1.html
|
||||
chapter2/13_Inheritance.html
|
||||
chapter2/01_The_Basics.html
|
||||
chapter2/03_Strings_and_Characters.html
|
||||
chapter2/01_The_Basics.html
|
||||
chapter2/04_Collection_Types.html
|
||||
chapter2/05_Control_Flow.html
|
||||
chapter2/06_Functions.html
|
||||
chapter2/07_Closures.html
|
||||
chapter2/08_Enumerations.html
|
||||
chapter2/09_Classes_and_Structures.html
|
||||
chapter2/06_Functions.html
|
||||
chapter2/10_Properties.html
|
||||
chapter2/09_Classes_and_Structures.html
|
||||
chapter2/11_Methods.html
|
||||
chapter2/12_Subscripts.html
|
||||
chapter2/02_Basic_Operators.html
|
||||
@ -38,9 +38,9 @@ chapter3/05_Declarations.html
|
||||
chapter3/02_Lexical_Structure.html
|
||||
chapter3/07_Patterns.html
|
||||
chapter3/08_Generic_Parameters_and_Arguments.html
|
||||
chapter3/chapter3.html
|
||||
chapter3/09_Summary_of_the_Grammar.html
|
||||
chapter3/10_Statements.html
|
||||
chapter3/chapter3.html
|
||||
gitbook/app.js
|
||||
gitbook/fonts/anonymouspro/400.woff
|
||||
gitbook/fonts/anonymouspro/400i.woff
|
||||
|
||||
File diff suppressed because one or more lines are too long
@ -262,13 +262,13 @@ Swift 是一个_类型安全(type safe)_的语言。类型安全的语言可
|
||||
|
||||
浮点字面量可以是十进制(没有前缀)或者是十六进制(前缀是`0x`)。小数点两边必须有至少一个十进制数字(或者是十六进制的数字)。浮点字面量还有一个可选的_指数(exponent)_,在十进制浮点数中通过大写或者小写的`e`来指定,在十六进制浮点数中通过大写或者小写的`p`来指定。
|
||||
|
||||
如果一个十进制数的指数为`exp`,那这个数相当于基数和$10^{exp}$的乘积:
|
||||
* `1.25e2` 表示 $1.25 × 10^{2}$,等于 `125.0`。
|
||||
* `1.25e-2` 表示 $1.25 × 10^{-2}$,等于 `0.0125`。
|
||||
如果一个十进制数的指数为`exp`,那这个数相当于基数和10^exp的乘积:
|
||||
* `1.25e2` 表示 1.25 × 10^2,等于 `125.0`。
|
||||
* `1.25e-2` 表示 1.25 × 10^-2,等于 `0.0125`。
|
||||
|
||||
如果一个十六进制数的指数为`exp`,那这个数相当于基数和$2^{exp}$的乘积:
|
||||
* `0xFp2` 表示 $15 × 2^{2}$,等于 `60.0`。
|
||||
* `0xFp-2` 表示 $15 × 2^{-2}$,等于 `3.75`。
|
||||
如果一个十六进制数的指数为`exp`,那这个数相当于基数和2^exp的乘积:
|
||||
* `0xFp2` 表示 15 × 2^2,等于 `60.0`。
|
||||
* `0xFp-2` 表示 15 × 2^-2,等于 `3.75`。
|
||||
|
||||
下面的这些浮点字面量都等于十进制的`12.1875`:
|
||||
|
||||
|
||||
@ -66,7 +66,7 @@ println("\(base) to the power of \(power) is \(answer)")
|
||||
// 输出 "3 to the power of 10 is 59049"
|
||||
```
|
||||
|
||||
这个例子计算 base 这个数的 power 次幂(本例中,是`3`的`10`次幂),从`1`(`3`的`0`次幂)开始做`3`的乘法, 进行`10`次,使用`0`到`9`的半闭区间循环。这个计算并不需要知道每一次循环中计数器具体的值,只需要执行了正确的循环次数即可。下划线符号`_`(替代循环中的变量)能够忽略具体的值,并且不提供循环遍历时对值的访问。
|
||||
这个例子计算 base 这个数的 power 次幂(本例中,是`3`的`10`次幂),从`1`(`3`的`0`次幂)开始做`3`的乘法, 进行`10`次,使用`1`到`10`的半闭区间循环。这个计算并不需要知道每一次循环中计数器具体的值,只需要执行了正确的循环次数即可。下划线符号`_`(替代循环中的变量)能够忽略具体的值,并且不提供循环遍历时对值的访问。
|
||||
|
||||
使用`for-in`遍历一个数组所有元素:
|
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Reference in New Issue
Block a user