destructor and virtual destructor in C++

virtual destructor in C++

1. Virtual Destructor in C++

Deleting a derived class object using a pointer to a base class, the base class should be defined with a virtual destructor..

2. Default constructors

A default constructor is a constructor which can be called with no arguments (either defined with an empty parameter list, or with default arguments provided for every parameter). A type with a public default constructor is DefaultConstructible..

3. Destructors

destructor is a special member function that is called when the lifetime of an object ends. The purpose of the destructor is to free the resources that the object may have acquired during its lifetime.

A destructor must not be a coroutine. (since C++20)

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