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2.2章节-输入输出流操作符重载问题 #302

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zceeyh0 opened this issue Jun 24, 2023 · 2 comments
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2.2章节-输入输出流操作符重载问题 #302

zceeyh0 opened this issue Jun 24, 2023 · 2 comments

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@zceeyh0
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zceeyh0 commented Jun 24, 2023

practical_exercises/key_exercises/io_operator_overload.cpp
A48J~CMBXC340(K_9NVGD S
此处输入输出运算符重载的返回类型为Sale&，是否应该改为ostream&和istream&？
如果不返回流对象，类似cout << sale1 << sale2 << endl; 这种嵌套调用就会报错了。
@laialaodi
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如果你要用 cout << sale1 << sale2 << endl; 这种嵌套写法那当然得改

@zceeyh0
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zceeyh0 commented Jun 29, 2023

嗯，我就是想表达这个意思

@zceeyh0 zceeyh0 closed this as completed Jun 29, 2023
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@zceeyh0 @laialaodi