template <class Other> shared_ptr& operator=(shared_ptr<Other>&& sp) noexcept; template <class Other> shared_ptr& operator=(auto_ptr<Other>&& ap); // deprecated in C++11, removed in C++17 template <class Other, class Deleter> shared_ptr& operator=(unique_ptr<Other, Deleter>&& up); ...
template<class Ty> class shared_ptr { public: typedef Ty element_type; shared_ptr(); shared_ptr(nullptr_t); shared_ptr(const shared_ptr& sp); shared_ptr(shared_ptr&& sp); template<class Other> explicit shared_ptr(Other * ptr); template<class Other, class D> shared_ptr(Other * ptr...
template <class Other> shared_ptr& operator=(shared_ptr<Other>&& sp) noexcept; template <class Other> shared_ptr& operator=(auto_ptr<Other>&& ap); // deprecated in C++11, removed in C++17 template <class Other, class Deleter> shared_ptr& operator=(unique_ptr<Other, Deleter>&& up); ...
class F {}; class G : public F {}; shared_ptr<G> sp0(new G); // okay, template parameter G and argument G* shared_ptr<G> sp1(sp0); // okay, template parameter G and argument shared_ptr<G> shared_ptr<F> sp2(new G); // okay, G* convertible to F* shared_ptr<F> sp3(...
assign a new vale to the shared_ptr. a local shared_ptr goes out of scope. Once a shared ptr's counter goes tozero, the shared_ptr automaticallyfrees the objectthat it manages. Memory is not freed untilthe last shared_ptr goes away. ...
classF{};classG:publicF {}; c++Copy #include<memory>usingnamespacestd;shared_ptr<G> sp0(newG);// okay, template parameter G and argument G*shared_ptr<G> sp1(sp0);// okay, template parameter G and argument shared_ptr<G>shared_ptr<F> sp2(newG);// okay, G* convertible to F*sha...
一、class shared_ptr。共享式拥有。多个shared_ptr可以指向同一个对象,该对象和起相关资源会在最后一个指针被销毁时释放。 二、class unique_ptr。独占式拥有。同一时间只有一个smart pointer可以指向该对象。对于避免资源泄露特别有用。 1.Class shared_ptr ...
shared_ptr::swap shared_ptr::unique shared_ptr::use_count static_pointer_cast Function swap Function weak_ptr Class _DO_NOT_DECLARE_INTERLOCKED_INTRINSICS_IN_MEMORY Macro 使用英语阅读 保存 添加到集合 添加到计划 通过 Facebookx.com 共享LinkedIn电子邮件 ...
class shared_ptr : public __shared_ptr<_Tp> { public: ... // 构造函数 template<typename _Tp1> explicit shared_ptr(_Tp1* __p) :__shared_ptr<_Tp>(__p) { } ... }; 由于源代码过长,这里就只贴出其中一部分进行分析: 该类没有类成员 ...
class F {}; c++复制 #include<memory>usingnamespacestd;shared_ptr<G> sp0(newG);// okay, template parameter G and argument G*shared_ptr<G> sp1(sp0);// okay, template parameter G and argument shared_ptr<G>shared_ptr<F> sp2(newG);// okay, G* convertible to F*shared_ptr<F> sp3...