Unlike ordinary base class member functions, assignment operator is not inherited. It may be re-defined by the implementer of the derived class or else it is automatically synthesized by the compiler, so there’s not much point in declaring it virtual.
What We Should Expect from Cell Phone Tech in the Near Future
The earliest cell phones included boxy designs full of buttons and antennas, and they only made calls. Needless to say, we’ve come a long way from those classic brick phones