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虽然英文原文是“its Boolean isEmpty property”，但是按照翻译的语义，应该是指的具体返回值的类型Bool
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Realank
2016-01-14 13:57:00 +08:00
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source/chapter2/03_Strings_and_Characters.md
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@ -68,7 +68,7 @@ var anotherEmptyString = String() // 初始化方法
// 两个字符串均为空并等价。 // 两个字符串均为空并等价。
``` ```
您可以通过检查其`Boolean`类型的`isEmpty`属性来判断该字符串是否为空： 您可以通过检查其`Bool`类型的`isEmpty`属性来判断该字符串是否为空：
```swift ```swift
if emptyString.isEmpty { if emptyString.isEmpty {