// t9.cpp : Defines the entry point for the console application.

//

#include "stdafx.h"

class CRecordBase{

public:

    virtual ~CRecordBase()=0{}

    virtual CRecordBase* scale(float scale)=0;

};

template <class T>

class CRecordBaseT: public CRecordBase{

public:

    virtual CRecordBase* scale(float scale){

        T* ret(new T);

        ((T*)this)->scaleTo(scale, ret);

        return ret;

    }

};

class BRecord:public CRecordBaseT<BRecord>{

public:

    int scaleTo(float scale, BRecord* res){

        return 0;

    }

};

// CRecordBase <-- CRecordBaseT<> <-- BRecord

void main(){

    BRecord r;

    r.scale(1);

}