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指向映射中的天体的存储指针
原标题:Store pointer pointing to object contained in map

我在想这个代码片段是否真的会存储一个指向由地图管理的物体的指针:

std::map<std::string,MapType> map;
MapType* typePointer;

typePointer = map[someKey];
最佳回答
typePointer = &map[someKey];
问题回答

不,

您正在存储 MapType , 而不是 MapType/code> 在地图中。 因此, 最后一行是一个类型错配, 不会编译 。





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