#ifndef KV_H
#define KV_H

template <class KEY, class VALUE>
class KV {
public:
	KV() {}
	KV(const KEY &key, const VALUE &value) : _key(key), _value(value) {}

	const KEY &key() const {return _key;}
	const VALUE &value() const {return _value;}

	bool operator==(const KV &other) const
	{
		return (_key == other._key && _value == other._value);
	}
	bool operator<(const KV &other) const
	{
		if (_key < other._key)
			return true;
		else if (_key > other._key)
			return false;
		else
			return _value < other._value;
	}

private:
	KEY _key;
	VALUE _value;
};

#endif // KV_H