weak_ptr的目的是提供一种获得共享所有权的shared_ptr的方法，如果当时存在其他shared_ptr指针，而不像直...
aWell intentioned but empty. 善意,但倒空。[translate] amotors is studied based on the concept of interconnected passive 马达被学习根据被互联的被动的概念[translate] aKeynesianism of the 1940s and 1950s typically described the relation between money and income as weak. An exception might be made...
完整代码 template<typenameTy>structshared_ptr:publicPtr_base<Ty>{public:usingBase=Ptr_base<Ty>;shared_ptr()noexcept=default;shared_ptr(std::nullptr_t)noexcept{}// construct empty shared_ptrexplicitshared_ptr(Ty*raw_ptr){Base::_init(raw_ptr);ifconstexpr(can_enable_shared<Ty>){raw_ptr->_...