[boost] Re: summary of casts.hpp suggestions

From: Darin Adler (darin_at_[hidden])
Date: 1999-09-21 17:02:38

Valentin:
> I suggest the following implementation for new_polymorphic_downcast:
>
>     template <class CastTo, class CastFrom>
>     inline CastTo new_polymorphic_downcast(CastFrom* from)
>     {
>         assert(dynamic_cast<CastTo>(from) == from);
>         return static_cast<CastTo>(from);
>     }

This is even better. polymorphic_downcast<> should be changed to this.

    -- Darin