virtual-destructor

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C++ Virtual Destructors

If I have a base class and a derived class, and I delcare the destructor in the parent virtual, but instantiate an object of type subclass, when destroyed it will invoke the parent destructor right(si[详细]

2023-02-28 12:46 分类：问答
Struct base class as throw exception object

Intuition tells me the simpler the thrown type, the better. Better throw an int than a pointer, better throw a struct than a class. In this case though it is necessary to throw an almost full class wi[详细]

2023-02-28 04:17 分类：问答
Why doesn't shared_ptr have a virtual descructor? (and how can I get around this?)

I wanted to make a special version of shared_ptr that would perform specific operations when it was created or destroyed, but my plans appear to be foiled by the realization that shared_ptr\'sdestruct[详细]

2023-01-17 12:57 分类：问答
base class 'class std::vector<...>' has a non-virtual destructor

One of my C++ classes derives from std::vector so that it can act as a container that also perform custom actions on its content. Unfortunately, the compil开发者_运维知识库er complains about the destr[详细]

2023-01-14 07:28 分类：问答
Do I need a virtual destructor for boost::ublas matrix?

Do I need virtual destructor when I am using boost::ublas matrix ? By the way开发者_JS百科, my class is a template class.Do you mean you have this?[详细]

2023-01-11 21:16 分类：问答
Do I need to specify virtual on the sub-classes methods as well?

This has probably been asked before on SO, but I was unable to find a similar question. Consider the following class hierarchy:[详细]

2023-01-05 07:54 分类：问答
base destructor called twice after derived object?

hey there, why is the base destructor called twice at the end of this program? #include <iostream>[详细]

2023-01-02 22:21 分类：问答
Are virtual destructors inherited?

If I have a base class with a virtual destructor. Has a derived class to declare a virtual destructor too?[详细]

2022-12-19 07:29 分类：问答
Virtual destructor: is it required when not dynamically allocated memory?

Do we need a virtual destructor if my classes do not allocate any memory dynamically ? e.g. class A { private: 开发者_运维知识库[详细]

2022-12-17 12:08 分类：问答
C++ Destructor Behavior

I had a question about C++ destructor behavior, more out of curiosity than anything else. I have the following classes:[详细]

2022-12-14 23:26 分类：问答