中文逗号、句号使用修正 (#773)
* 修正全角逗号、句号的使用 * 修正逗号使用 * 修正一处代码空格错误 * 修正斜体范围,引用的空格使用 * 修正示例代码错误
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@ -92,7 +92,7 @@ let fruitSummary = "I have \(apples + oranges) pieces of fruit."
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> 练习:
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> 使用 `\()` 来把一个浮点计算转换成字符串,并加上某人的名字,和他打个招呼。
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使用一对三个单引号(`"""`)来包含多行字符串内容,字符串中的内容(包括引号、空格、换行符等)都会保留下来。举个例子:
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使用一对三个单引号(`"""`)来包含多行字符串内容,字符串中的内容(包括引号、空格、换行符等)都会保留下来。举个例子:
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```swift
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let quotation = """
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@ -608,13 +608,13 @@
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在<a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Attributes.html#//apple_ref/doc/uid/TP40014097-CH35-XID_516">声明特性(Declaration Attributes)</a>章节增加了关于<code>availability</code>特性的一些信息
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<a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/TheBasics.html#//apple_ref/doc/uid/TP40014097-CH5-XID_478">可选类型(Optionals)</a> 若有值时,不再隐式的转换为 <code>true</code>,同样,若无值时,也不再隐式的转换为 <code>false</code>, 这是为了避免在判别 optional <code>Bool</code> 的值时产生困惑。 替代的方案是,用<code>==</code> 或 <code>!=</code> 运算符显式地去判断Optinal是否是 <code>nil</code>,以确认其是否包含值。
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<a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/TheBasics.html#//apple_ref/doc/uid/TP40014097-CH5-XID_478">可选类型(Optionals)</a> 若有值时,不再隐式的转换为 <code>true</code>,同样,若无值时,也不再隐式的转换为 <code>false</code>,这是为了避免在判别 optional <code>Bool</code> 的值时产生困惑。 替代的方案是,用<code>==</code> 或 <code>!=</code> 运算符显式地去判断Optinal是否是 <code>nil</code>,以确认其是否包含值。
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Swift新增了一个 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/BasicOperators.html#//apple_ref/doc/uid/TP40014097-CH6-XID_124" data-id="//apple_ref/doc/uid/TP40014097-CH6-XID_124">Nil合并运算符(Nil Coalescing Operator)</a> (<code>a ?? b</code>), 该表达式中,如果Optional <code>a</code>的值存在,则取得它并返回,若Optional <code>a</code>为<code>nil</code>,则返回默认值 <code>b</code>
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更新和扩展 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/StringsAndCharacters.html#//apple_ref/doc/uid/TP40014097-CH7-XID_434">字符串的比较(Comparing Strings)</a> 章节,用以反映和展示'字符串和字符的比较',以及'前缀(prefix)/后缀(postfix)比较'都开始基于扩展字符集(extended grapheme clusters)规范的等价比较.
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更新和扩展 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/StringsAndCharacters.html#//apple_ref/doc/uid/TP40014097-CH7-XID_434">字符串的比较(Comparing Strings)</a> 章节,用以反映和展示'字符串和字符的比较',以及'前缀(prefix)/后缀(postfix)比较'都开始基于扩展字符集(extended grapheme clusters)规范的等价比较。
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现在,你可以通过 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/OptionalChaining.html#//apple_ref/doc/uid/TP40014097-CH21-XID_356">可选链(Optional Chaining)</a>来:给属性设值,将其赋给一个下标脚注(subscript); 或调用一个变异(mutating)方法或运算符。对此,章节——<a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/OptionalChaining.html#//apple_ref/doc/uid/TP40014097-CH21-XID_364">通过可选链访问属性(Accessing Properties Through Optional Chaining)</a>的内容已经被相应的更新。而章节——<a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/OptionalChaining.html#//apple_ref/doc/uid/TP40014097-CH21-XID_361">通过可选链调用方法(Calling Methods Through Optional Chaining</a>中,关于检查方法调用是否成功的例子,已被扩展为展示如何检查一个属性是否被设值成功。
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@ -624,30 +624,30 @@
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在章节可选链中,增加一个新的小节 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/OptionalChaining.html#//apple_ref/doc/uid/TP40014097-CH21-XID_364">访问可选类型的下标脚注(Accessing Subscripts of Optional Type)</a>
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</li>
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更新章节 <a href="../chapter2/04_Collection_Types.md#访问和修改数组" data-id="访问和修改数组">访问和修改数组(Accessing and Modifying an Array)</a> 以标示:从该版本起,不能再通过<code>+=</code> 运算符给一个数组添加一个新的项。. 对应的替代方案是, 使<code>append</code> 方法, 或者通过<code>+=</code>运算符来添加一个<b>只有一个项的数组</b>(single-item Array).</li>
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更新章节 <a href="../chapter2/04_Collection_Types.md#访问和修改数组" data-id="访问和修改数组">访问和修改数组(Accessing and Modifying an Array)</a> 以标示:从该版本起,不能再通过<code>+=</code> 运算符给一个数组添加一个新的项。。 对应的替代方案是,使<code>append</code> 方法,或者通过<code>+=</code>运算符来添加一个<b>只有一个项的数组</b>(single-item Array)。</li>
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添加了一个提示:在 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/BasicOperators.html#//apple_ref/doc/uid/TP40014097-CH6-XID_126">范围运算符(Range Operators)</a>中,比如, <code>a...b</code> 和 <code>a..<b</code> ,起始值<code>a</code>不能大于结束值<code>b</code>.
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</li>
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重写了<a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Inheritance.html#//apple_ref/doc/uid/TP40014097-CH17-XID_293">继承(Inheritance)</a> 这一章:删除了本章中关于构造器重写的介绍性报道;转而将更多的注意力放到新增的部分——子类的新功能,以及如何通过重写(overrides)修改已有的功能。另外,小节 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Inheritance.html#//apple_ref/doc/uid/TP40014097-CH17-XID_301">重写属性的Getters和Setters(Overriding Property Getters and Setters)</a> 中的例子已经被替换为展示如何重写一个 <code>description</code> 属性. (而关于如何在子类的构造器中修改继承属性的默认值的例子,已经被移到 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Inheritance.html#//apple_ref/doc/uid/TP40014097-CH17-XID_293">构造过程(Initialization)</a> 这一章.)
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重写了<a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Inheritance.html#//apple_ref/doc/uid/TP40014097-CH17-XID_293">继承(Inheritance)</a> 这一章:删除了本章中关于构造器重写的介绍性报道;转而将更多的注意力放到新增的部分——子类的新功能,以及如何通过重写(overrides)修改已有的功能。另外,小节 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Inheritance.html#//apple_ref/doc/uid/TP40014097-CH17-XID_301">重写属性的Getters和Setters(Overriding Property Getters and Setters)</a> 中的例子已经被替换为展示如何重写一个 <code>description</code> 属性。 (而关于如何在子类的构造器中修改继承属性的默认值的例子,已经被移到 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Inheritance.html#//apple_ref/doc/uid/TP40014097-CH17-XID_293">构造过程(Initialization)</a> 这一章。)
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</li>
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更新了 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Initialization.html#//apple_ref/doc/uid/TP40014097-CH18-XID_331">构造器的继承与重写(Initializer Inheritance and Overriding)</a> 小节以标示: 重写一个特定的构造器必须使用 <code>override</code> 修饰符.
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更新了 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Initialization.html#//apple_ref/doc/uid/TP40014097-CH18-XID_331">构造器的继承与重写(Initializer Inheritance and Overriding)</a> 小节以标示: 重写一个特定的构造器必须使用 <code>override</code> 修饰符。
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</li>
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更新 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Initialization.html#//apple_ref/doc/uid/TP40014097-CH18-XID_339"> Required构造器(Required Initializers)</a> 小节以标示:<code>required</code> 修饰符现在需要出现在所有子类的required构造器的声明中, 而required构造器的实现,现在可以仅从父类自动继承。
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更新 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Initialization.html#//apple_ref/doc/uid/TP40014097-CH18-XID_339"> Required构造器(Required Initializers)</a> 小节以标示:<code>required</code> 修饰符现在需要出现在所有子类的required构造器的声明中,而required构造器的实现,现在可以仅从父类自动继承。
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中置(Infix)的 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/AdvancedOperators.html#//apple_ref/doc/uid/TP40014097-CH27-XID_80">运算符函数(Operator Functions)</a> 不再需要<code>@infix</code> 属性.
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中置(Infix)的 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/AdvancedOperators.html#//apple_ref/doc/uid/TP40014097-CH27-XID_80">运算符函数(Operator Functions)</a> 不再需要<code>@infix</code> 属性。
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</li>
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<a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/RevisionHistory.html#//apple_ref/doc/uid/TP40014097-CH40-XID_1631">前置和后置运算符(Prefix and Postfix Operators)</a>的<code>@prefix</code> 和 <code>@postfix</code> 属性,已变更为 <code>prefix</code> 和 <code>postfix</code> 声明修饰符(declaration modifiers).
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<a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/RevisionHistory.html#//apple_ref/doc/uid/TP40014097-CH40-XID_1631">前置和后置运算符(Prefix and Postfix Operators)</a>的<code>@prefix</code> 和 <code>@postfix</code> 属性,已变更为 <code>prefix</code> 和 <code>postfix</code> 声明修饰符(declaration modifiers)。
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</li>
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增加一条注解:当Prefix和postfix运算符被作用于同一个操作数时,关于<a href="AdvancedOperators.html#//apple_ref/doc/uid/TP40014097-CH27-XID_81" data-id="//apple_ref/doc/uid/TP40014097-CH27-XID_81">前置和后置运算符(Prefix and Postfix Operators)</a>的顺序(postfix运算符会先被执行)
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</li>
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在运算符函数(Operator functions)中, <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/AdvancedOperators.html#//apple_ref/doc/uid/TP40014097-CH27-XID_82" data-id="//apple_ref/doc/uid/TP40014097-CH27-XID_82">组合赋值运算符(Compound Assignment Operators)</a> 不再使用 <code>@assignment</code> 属性来定义函数.
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在运算符函数(Operator functions)中, <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/AdvancedOperators.html#//apple_ref/doc/uid/TP40014097-CH27-XID_82" data-id="//apple_ref/doc/uid/TP40014097-CH27-XID_82">组合赋值运算符(Compound Assignment Operators)</a> 不再使用 <code>@assignment</code> 属性来定义函数。
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在这个版本中,在定义<a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/AdvancedOperators.html#//apple_ref/doc/uid/TP40014097-CH27-XID_85">自定义操作符(Custom Operators)</a> 时,<b>修饰符(Modifiers)的出现顺序发生变化</b>。比如, 现在,你该编写 <code>prefix operator</code>, 而不是 <code>operator prefix</code>.
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@ -659,22 +659,22 @@
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增加信息:<a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/LexicalStructure.html#//apple_ref/doc/uid/TP40014097-CH30-XID_886">字面量Literals</a> 的类型推导(type inference)
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为章节<a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Declarations.html#//apple_ref/doc/uid/TP40014097-CH34-XID_597">Curried Functions</a>添加了更多的信息.
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为章节<a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Declarations.html#//apple_ref/doc/uid/TP40014097-CH34-XID_597">Curried Functions</a>添加了更多的信息。
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</li>
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加入新的章节 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/AccessControl.html#//apple_ref/doc/uid/TP40014097-CH41-XID_29">权限控制(Access Control)</a>.
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更新了章节 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/StringsAndCharacters.html#//apple_ref/doc/uid/TP40014097-CH7-XID_413">字符串和字符(Strings and Characters)</a> 用以表明,在Swift中,<code>Character</code> 类型现在代表的是扩展字符集(extended grapheme cluster)中的一个Unicode,为此,新增了小节 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/StringsAndCharacters.html#//apple_ref/doc/uid/TP40014097-CH7-XID_431">Extended Grapheme Clusters</a> 。同时,为小节 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/StringsAndCharacters.html#//apple_ref/doc/uid/TP40014097-CH7-XID_428">Unicode标量(Unicode Scalars)</a> 和 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/StringsAndCharacters.html#//apple_ref/doc/uid/TP40014097-CH7-XID_434">字符串比较(Comparing Strings)</a>增加了更多内容.
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更新了章节 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/StringsAndCharacters.html#//apple_ref/doc/uid/TP40014097-CH7-XID_413">字符串和字符(Strings and Characters)</a> 用以表明,在Swift中,<code>Character</code> 类型现在代表的是扩展字符集(extended grapheme cluster)中的一个Unicode,为此,新增了小节 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/StringsAndCharacters.html#//apple_ref/doc/uid/TP40014097-CH7-XID_431">Extended Grapheme Clusters</a> 。同时,为小节 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/StringsAndCharacters.html#//apple_ref/doc/uid/TP40014097-CH7-XID_428">Unicode标量(Unicode Scalars)</a> 和 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/StringsAndCharacters.html#//apple_ref/doc/uid/TP40014097-CH7-XID_434">字符串比较(Comparing Strings)</a>增加了更多内容。
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</li>
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<li>
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更新章节<a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/LexicalStructure.html#//apple_ref/doc/uid/TP40014097-CH30-XID_856">字符串字面量(String Literals)</a>:在一个字符串中,Unicode标量(Unicode scalars) 以 <code>\u{n}</code>的形式来表示, <code>n</code> 是一个最大可以有8位的16进制数(hexadecimal digits)
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更新章节<a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/LexicalStructure.html#//apple_ref/doc/uid/TP40014097-CH30-XID_856">字符串字面量(String Literals)</a>:在一个字符串中,Unicode标量(Unicode scalars) 以 <code>\u{n}</code>的形式来表示,<code>n</code> 是一个最大可以有8位的16进制数(hexadecimal digits)
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</li>
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<li>
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<code>NSString</code> <code>length</code> 属性已被映射到Swift的内建 <code>String</code>类型。(注意,这两属性的类型是<code>utf16Count</code>,而非 <code>utf16count</code>).
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<code>NSString</code> <code>length</code> 属性已被映射到Swift的内建 <code>String</code>类型。(注意,这两属性的类型是<code>utf16Count</code>,而非 <code>utf16count</code>)。
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</li>
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<li>
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Swift的内建 <code>String</code> 类型不再拥有 <code>uppercaseString</code> 和 <code>lowercaseString</code> 属性.其对应部分在章节 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/StringsAndCharacters.html#//apple_ref/doc/uid/TP40014097-CH7-XID_413">字符串和字符(Strings and Characters)</a>已经被删除, 并且各种对应的代码用例也已被更新.
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Swift的内建 <code>String</code> 类型不再拥有 <code>uppercaseString</code> 和 <code>lowercaseString</code> 属性。其对应部分在章节 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/StringsAndCharacters.html#//apple_ref/doc/uid/TP40014097-CH7-XID_413">字符串和字符(Strings and Characters)</a>已经被删除,并且各种对应的代码用例也已被更新。
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</li>
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加入新的章节 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Initialization.html#//apple_ref/doc/uid/TP40014097-CH18-XID_315">没有外部名的构造器参数(Initializer Parameters Without External Names)</a>.
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@ -704,7 +704,7 @@
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<code>nil</code> 和布尔运算中的 <code>true</code> 和 <code>false</code> 现在被定义为字面量<a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/LexicalStructure.html#//apple_ref/doc/uid/TP40014097-CH30-XID_886">Literals</a>.
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</li>
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Swift 中的数组 (<code>Array</code>) 类型从现在起具备了完整的值语义。具体信息被更新到 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/CollectionTypes.html#//apple_ref/doc/uid/TP40014097-CH8-XID_170">集合的可变性(Mutability of Collections)</a> 和 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/CollectionTypes.html#//apple_ref/doc/uid/TP40014097-CH8-XID_172">数组(Arrays)</a> 两小节,以反映这个新的变化. 此外,还解释了如何 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/ClassesAndStructures.html#//apple_ref/doc/uid/TP40014097-CH13-XID_150">给Strings, Arrays和Dictionaries进行赋值和拷贝 (Assignment and Copy Behavior for Strings, Arrays, and Dictionaries)</a>.
|
||||
Swift 中的数组 (<code>Array</code>) 类型从现在起具备了完整的值语义。具体信息被更新到 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/CollectionTypes.html#//apple_ref/doc/uid/TP40014097-CH8-XID_170">集合的可变性(Mutability of Collections)</a> 和 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/CollectionTypes.html#//apple_ref/doc/uid/TP40014097-CH8-XID_172">数组(Arrays)</a> 两小节,以反映这个新的变化。 此外,还解释了如何 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/ClassesAndStructures.html#//apple_ref/doc/uid/TP40014097-CH13-XID_150">给Strings, Arrays和Dictionaries进行赋值和拷贝 (Assignment and Copy Behavior for Strings, Arrays, and Dictionaries)</a>.
|
||||
</li>
|
||||
<li>
|
||||
<a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/CollectionTypes.html#//apple_ref/doc/uid/TP40014097-CH8-XID_173">数组类型速记语法(Array Type Shorthand Syntax)</a> 从 <code>SomeType[]</code>.更新为<code>[SomeType]</code>
|
||||
@ -716,7 +716,7 @@
|
||||
加入新的小节:<a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/CollectionTypes.html#//apple_ref/doc/uid/TP40014097-CH8-XID_189">字典键类型的哈希值(Hash Values for Dictionary Key Types)</a>.
|
||||
</li>
|
||||
<li>
|
||||
例子 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Closures.html#//apple_ref/doc/uid/TP40014097-CH11-XID_154">闭包表达式 (Closure Expressions)</a> 中使用新的全局函数 <code>sorted</code> 取代原先的全局函数 <code>sort</code> 去展示如何返回一个全新的数组.
|
||||
例子 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Closures.html#//apple_ref/doc/uid/TP40014097-CH11-XID_154">闭包表达式 (Closure Expressions)</a> 中使用新的全局函数 <code>sorted</code> 取代原先的全局函数 <code>sort</code> 去展示如何返回一个全新的数组。
|
||||
</li>
|
||||
<li>
|
||||
更新关于 <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Initialization.html#//apple_ref/doc/uid/TP40014097-CH18-XID_320">结构体逐一成员构造器 (Memberwise Initializers for Structure Types)</a> 的描述:即使结构体的成员<b>没有默认值</b>,逐一成员构造器也可以自动获得。
|
||||
|
||||
Reference in New Issue
Block a user