摘要: #include <iostream> #include <memory> using namespace std; class A; class B { public: B(shared_ptr<A> a) { pa = a; cout << "B 构造..." << endl; } ~B() { 阅读全文
posted @ 2024-07-16 14:40 double64 阅读(2) 评论(0) 推荐(0) 编辑