optional_ptr.cpp

template<typename T>
class const_optional {
public:
	optional(); //invalid constructor
	optional(const T& obj); //valid constructor

	const T& unwrap() const;

	operator bool() const;
};

template<typename T>
class optional {
public:

	optional(); //invalid constructor
	optional(T& obj); //valid constructor

	T& unwrap();
	const T& unwrap() const;

	const_optional<T> as_const() const;

	operator bool() const;
};