std::shared_ptr<int> sp5 (new int, [](int* p){delete p;}, std::allocator<int>()); //如果p5引用計(jì)數(shù)不為0,則引用計(jì)數(shù)加1,否則同樣為0, p6為0 std::shared_ptr<int> sp6 (sp5); //p6的所有權(quán)全部移交給p7,p6引用計(jì)數(shù)變?yōu)闉? std::shared_ptr<int> sp7 (std::move(sp6)); //p8...
www.dbjr.com.cn/article/2497...htm 2025-5-18