
c++ - When do we need to define destructors? - Stack Overflow
We know that if a destructor is not provided, the compiler will generate one. This means that anything beyond simple cleanup, such as primitive types, will require a destructor. In many …
c++ - When to use virtual destructors? - Stack Overflow
Jan 20, 2009 · If the destructor is not accessible (protected or private), this code won't compile, so the undesired behaviour can not occur. Having a protected destructor is useful, especially for …
c# - When should I create a destructor? - Stack Overflow
Feb 4, 2011 · A properly written destructor will not rely on invariants established in the constructor. A destructor can "resurrect" an object, making a dead object alive again. That's …
The difference between a destructor and 'delete'
Jun 28, 2020 · Either of these actions can have knock on effects that cause the other action to happen (or more instances of the same action). For instance if you delete a pointer to an …
c++ - How do I call the class's destructor? - Stack Overflow
Instead, the destructor is called when an object is destroyed. For an object like ob2 that is a local variable, it is destroyed when it goes out of scope: int main() { date ob2(12); } // ob2.~date() is …
C++ Constructor/Destructor inheritance - Stack Overflow
Now Calling of Destructor (calling not inherit) : when base object get out of scope then the destructor is called on its own.so there is np issue of inheritance of destructor. now your …
destructor - How do I correctly clean up a Python object ... - Stack ...
May 15, 2009 · Imo code written like this is misleading, as it looks as if cleanup behaves similarly to a destructor. It does not. All atexit.register does is register a function which should be called …
Destructors and the delete () method in C++ - Stack Overflow
Sep 28, 2016 · If you hadn't declared a destructor, one would have been declared for you, so that made no difference. You don't need to write delete ptr; when your object has automatic …
When to make a destructor defaulted using =default?
Jun 28, 2019 · Versus Empty the main difference is simple: the explicitly defaulted destructor can be trivial. This applies only if it is defaulted inside the class, so there is no difference between …
Do I need to explicitly call the base virtual destructor?
Mar 24, 2009 · No you don't need to call the base destructor, a base destructor is always called for you by the derived destructor. Please see my related answer here for order of destruction. …