七十八、static_cast和dynamic_cast,static_poonter_cast和dynamic_pointer_cast区别

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2022-06-21

一、static_cast和dynamic_cast区别:
1、static_cast:向上转换,例如:基类向派生类转换
2、dynamic_cast:向下转换,例如:派生类向基类转换
二、static_poonter_cast和dynamic_pointer_cast区别同上,不过这两个只适用于智能指针


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