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@ -150,7 +150,7 @@ for item in library {
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Swift为不确定类型提供了两种特殊类型别名:
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* `AnyObject`可以代表任何class类型的实例。
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* `Any`可以表示任何类型,除了方法类型(function types)。
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* `Any`可以表示任何类型,包括方法类型(function types)。
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> 注意:
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只有当你明确的需要它的行为和功能时才使用`Any`和`AnyObject`。在你的代码里使用你期望的明确的类型总是更好的。
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