#pragma once

// only for demonstration
#include <iostream>

class ICompareable
{
public:
	ICompareable() { std::cout << "ICompareable::ICompareable()" << std::endl; } // only for demonstration
	virtual ~ICompareable() { std::cout << "ICompareable::~ICompareable()" << std::endl; } // only for demonstration

	virtual int Compare(ICompareable* pOther) = 0;
};