In article <3fdce9c8@news.povray.org> , Wolfgang Wieser <wwi### [at] gmxde>  
wrote:

> First of all, the copy constructor and assignment operators will
> introduce overhead:
>
> tempate<classT>
>  auto_ptr<T>& auto_ptr<T>::operator=(auto_ptr<T>& rhs)
>  {
>    if (this != &rhs)
>    {
>      delete pointer;   // <-- if(pointer) { destruct & free }
>      pointer = rhs.pointer;
>      rhs.pointer = 0;
>    }
>    return *this;
>  }

No, what you show introduces no overhead when used.  If you would do the
same without an auto_ptr you would need to write exactly the same code.
Consequently, there is no overhead - the code is just created for you rather
than you having to write it.

    Thorsten

____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde

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