In C++, a pure virtual function is a virtual function that you declare in a base class but don't define. A class containing a pure virtual function is called an abstract class, and you can't create ...

Pure virtual functions very essential for achieving Polymorphism. are meant to be overridden by derived classes. - Typically acts as a place holder functions. - Any class containing at least one pure ...

Let’s look at the C++ code used to test the timing to walk through inheritance and virtual functions. The parent is the class PinOutputAbstract. It represents an output pin on an Arduino: ...