Virtual Operator Overloading

Background

In C , operators can be overloaded for custom data types, providing tailored behaviors. However, virtual methods, allowing for polymorphic behavior, cannot be directly used for operator overloading.

The Issue

Consider the desire to create a virtual operator

The Solution: Indirection

To circumvent this limitation, the operator

class Advertising {
public:
    virtual void print(ostream& os) const;
};

ostream& operator
In this approach, the print member function can be overridden in subclasses to customize printing behavior, while the