Igore Dmit. wrote:
> 2010/2/26 ZouLei <zoulei.vresearch.org@gmail.com>
>
>
>
>     oa << base_ptr ;
>
>
> I rechecked documentation and I believe it should look like "oa << *base_ptr ; 
 
". Correct me if I'm wrong.
 
You're wrong - where in the documentation does it say this?
 
Robert Ramey