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fix a typo in item 28 (#169)

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Dong-Yiyuan 2024-01-02 20:54:13 +08:00 committed by GitHub
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src/5.RRefMovSemPerfForw/item28.md
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@ -144,7 +144,7 @@ T&& forward(remove_reference_t<T>& param)
Widget widgetFactory(); //返回右值的函数
Widget w; //一个变量（左值）
func(w); //用左值调用func；T被推导为Widget&
func(widgetFactory()); //用又值调用func；T被推导为Widget
func(widgetFactory()); //用右值调用func；T被推导为Widget
```
在auto的写法中，规则是类似的。声明