template<class T>
class O
{
public:
	typedef O<T> CLASSNAME;
	O(const T & _t) : t(_t) {}
	O() {}

	operator T & () { return t; }
	operator const T & () const { return t; }
	
	T& operator=(const T & _t) { t = _t; return t; }
	bool operator ==(const T& _t) const { return (t==_t); }
	
	T t;
};