C++ Primer Plus

Multiple Inheritance Synopsis

First, let’s review MI without virtual base classes. This form of MI imposes no new rules. However, if a class inherits two members with the same name but from different classes, you need to use class qualifiers in the derived class to distinguish between the two members. That is, methods in the BadDude class, derived from Gunslinger and PokerPlayer, would use Gunslinger::draw() and PokerPlayer::draw() to distinguish between draw() methods inherited from the two classes. Otherwise, the compiler should complain about ambiguous usage.

If one class inherits from a nonvirtual base class by more than one route, then the class inherits one base-class object for each nonvirtual instance of the base class. In some cases, ...