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typedef int INT_TYPEDEF;
template<class T>
class TypedIfc
{
public:
virtual ~TypedIfc() { }
virtual operator const T&() const = 0;
virtual const T& operator= (const T& t) = 0;
};
template<class Tnative>
class NullIfc : public TypedIfc<Tnative>
{
public:
const Tnative& operator= (const Tnative& t) { return t; }
operator const Tnative&() const { return *(Tnative *)0; }
};
typedef TypedIfc<INT_TYPEDEF> INT_TYPEDEFIfc;
NullIfc<int> i32;
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