Re: boost::shared_ptr templated constructor?

From: d_zakaib (d_zakaib_at_[hidden])
Date: 2003-05-06 02:18:07

--- In Boost-Users_at_[hidden], "Lehrer, Joshua" <boost_at_l...> 
wrote:
> WRT boost::shared_ptr<>, why not template the explicit constructor 
> that takes a T*?  This way, it could select the correct destructor 
> at construction time:
> 
> struct base { ~base(); };
> struct sub : public base { ~sub() };
> boost::shared_ptr<base>(new sub);
> 
> The above code currently only calls ~base();  Templating the 
> explicit single argument constructor would allow the above code to 
> call ~sub().
> 

Why not just have a virtual destructor? Then delete will be able to 
destroy your derived class properly:
struct base { virtual ~base(); };

Dan