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代码编写错误修正

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代码中少写了一个双引号
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TheLittleBoy
2014-06-28 11:56:48 +08:00
parent ce63ac6968
commit 32974ed3a3
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source/chapter2/14_Initialization.md
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@ -158,7 +158,7 @@ class SurveyQuestion {
let cheeseQuestion = SurveyQuestion(text: "Do you like cheese?") let cheeseQuestion = SurveyQuestion(text: "Do you like cheese?")
cheeseQuestion.ask() cheeseQuestion.ask()
// 输出 "Do you like cheese?" // 输出 "Do you like cheese?"
cheeseQuestion.response = "Yes, I do like cheese. cheeseQuestion.response = "Yes, I do like cheese."
``` ```
调查问题在问题提出之后，我们才能得到回答。所以我们将属性回答`response`声明为`String?`类型，或者说是可选字符串类型`optional String`。当`SurveyQuestion`实例化时，它将自动赋值为空`nil`，表明暂时还不存在此字符串。 调查问题在问题提出之后，我们才能得到回答。所以我们将属性回答`response`声明为`String?`类型，或者说是可选字符串类型`optional String`。当`SurveyQuestion`实例化时，它将自动赋值为空`nil`，表明暂时还不存在此字符串。