[英]Delete vs operator delete (and void pointer)
delete ptr
是否与operator delete(ptr)
不同,那个delete
调用ptr
析构函数? 或者换句话说,不delete ptr
首先调用析构函数ptr
,然后operator delete(ptr)
以释放分配的内存? 然后delete ptr
技术上等同于以下内容:
T * ptr = new T;
//delete ptr equivalent:
ptr->~T();
::operator delete(static_cast<void *>(ptr));
?
delete ptr
将为operator delete
执行重载解析,因此它可能不会调用global ::operator delete
但是,不然,是的。 delete
运算符调用相关的析构函数(如果有),然后调用operator delete
。
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