douxigai8757 2017-12-08 09:13
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在一行中初始化时,可以将类的一个元素绑定到另一个元素吗?

I have a class (struct) like this:

type Question struct{
    Question string
    answerOne string
    answerTwo string
    answerCorrect string
}

And I initialize it like this:

q1:=Question{
    Question:"What?",
    answerOne:"A",
    answerTwo:"B",
    answerCorrect: ? //I want this have similar value as `answerOne`
}

While initilizing I want one of my values have similar value as another one. Is there any way to do that?

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3条回答 默认 最新

  • dtnpf35197 2017-12-08 09:26
    关注

    You cannot by using only literals, but you could define a function.

    func NewQuestion() *Question {
        q := &Question{
            Question:  "What?",
            answerOne: "A",
            answerTwo: "B",
        }
        q.answerCorrect = q.answerOne
        return q
    }
    
    // ...
    
    q1 := NewQuestion()
    
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