#include <iostream>
#include "main.h"

template<typename T>
class Wrapper {
	T* impl;

public:
	Wrapper(T* obj) : impl(obj) {}

	T* operator->() { return impl; }
	const T* operator->() const { return impl; }

	operator T*() { return impl; }
	operator const T*() const { return impl; }

	operator T&() { return *impl; }
	operator const T&() const { return *impl; }
};

void render_shape_by_ptr(IShape* shape) {
	shape->draw();
}

void render_shape_by_ref(IShape& shape) {
	shape.draw();
}

int main() {
	Circle circle {10};
	Wrapper<IShape> wrapped(&circle);

	std::cout << wrapped->area() << "\n";

	render_shape_by_ptr(wrapped);

	render_shape_by_ref(wrapped);
}