我在一个CUDA项目中有很多类，这些类大部分都得到了美化structs和在组成上相互依赖:classA{public:typedefboost::shared_ptrPtr;A(uintn_elements){...//allocateelement_indices};DeviceVector::iteratorget_element_indices();private:DeviceVectorelement_indices;}classB{public:B(uintn_elements){...//initializemembers};A::Ptrget_a();DevicePoin