hwr2023_b/CPlusPlus/intro/IPrintable.h

#pragma once
#include <iostream>

class IPrintable
{
public:
	IPrintable() { std::cout << "IPrintable called" << std::endl; }
	virtual ~IPrintable() { std::cout << "~IPrintable called" << std::endl; }
	virtual void Print() = 0; // pure virtual
};