WebOct 24, 2015 · The class template enable_shared_from_this is very weakly specified, making it hard to reason about its behaviour in some situations and risking implementation divergence. This proposal provides a more precise specification and where the desired behaviour is unclear recommends standardising the behaviour of … WebNov 16, 2024 · 설명. 개체가 enable_shared_from_this 기본 클래스에서 파생될 경우 shared_from_this 템플릿 멤버 함수는 이 인스턴스의 소유권을 기존 shared_ptr 소유자와 공유하는 shared_ptr 클래스 개체를 반환합니다. 그렇지 않으면 this 에서 새 shared_ptr 를 만들 경우 기존 shared_ptr 소유자와 ...

聊一聊 Python 安装中的 --enable-shared - 知乎 - 知乎专栏

Web聊聊我们今天的重点：enable_shared_from_this。. enable_shared_from_this从本质上来说解决了不能直接冲this对象构造智能指针的问题，但是使用时也需要注意，既返回的智能智能必须要通过shared_from_this ()获取，当然也可以不用，但是从大家的开发经验来看，真心 … WebSep 11, 2016 · In case of make_shared, even additional memory required to support shared_ptr is allocated in that one allocation. So when I do auto sptr1 = shared_from_this(); what happens is it returns the shared_ptr to the object of the base class Component. shared_from_this() returns an object of type … cheap tow truck service philadelphia

enable_shared_from_this Class Microsoft Learn

WebJun 3, 2015 · 如果写成: void func () { std::shared_ptr WebNov 16, 2024 · 从 enable_shared_from_this 派生的对象可以在成员函数中使用 shared_from_this 方法来创建实例的 shared_ptr 所有者，这些所有者与现有 shared_ptr … Web如果我们需要这么使用，那么enable_shared_from_this可以来帮忙。 enable shared from this. 顾名思义，就是使用this来创建智能指针。如果你阅读网上的文章，大部分都会举类似std::enable_shared_from_this - cppreference.com. 但是很难明白它的使用场景和使用的必要性。它的使用场景 ... cheap tow truck service dallas tx