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demo的一个小疑问 #4

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luziyuan002 opened this issue Mar 8, 2021 · 0 comments

luziyuan002 commented Mar 8, 2021

func NewBookService() BookService{
return &bookService{}
}
大佬你好，看到你使用了以上的内容，我有点不太明白这样的原理是什么。。。为什么不会报空指针？

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