???????????COM?????????????”COM??????????C++”?????ú??б?????Щ???????????????????￡??????????????С?
?????????????????????????????????????????????FastString???????СС??????????????????????COM?????????
??????FastString??????????????????????????????臨?????O(1)????????????????????????????????????任????????????????????????????????????????????????????????????????????????ú?о????????е???????????????????????????????strlen(str)?????????????????????????????????????????臨?????O(N)????????????????????FastString???????????????????????FastString??????Fast??
????????????????????FastString???????

 

class FastString
{
public:
FastString(const char* str);
FastString(void );
int Find (const char* str );
private:
char* m_str ;
};

???????С???????????????????????????????????????????????????????????????????????????????????????????????????????len?????????????????????????Length???????len????臨??????O(0)?????????????????????????????????￡?

 

class FastString
{
public:
FastString(const char* str);
FastString(void );
int Length ();//??????
int Find (const char* str );
private:
char* m_str ;
int len ;//??????
};

????????????????????????????????????????????????????????????????????????????????????ī??????????????????????????????????????????????????????????????COM?·??
?????????????????????????????FastString?????????????
??????????????????????????????????????????????????????????DLL??????????????????????????????????????DLL?????????????????????????????FastString????????DLL?ж???????????????????ЩDLL??FastString???4????????棬???°汾??FastString??????8????????棬???????????FastString?????DLL??????и????????????FastString??DLL??????FastString?????DLL????FastString??8????????????DLL????4??????????????FastString???????4????????????8???????????????????