Re: class hierarchies and smart pointers

David Raulo <[email protected]>
Newsgroups gmane.comp.lang.lua.bind.user
Message-ID <[email protected]>
On Mon, 17 Aug 2009 12:06:16 +0200
David Raulo <[email protected]> wrote:

> Hi,
> 
> I have a class hierarchy whose instances need to be managed with a
> smart pointer Holder<> when passed to/from lua. So I declared the
> classes like this:
>   class_<Base, Holder<Base> >("Base");
>   class_<Derived, Holder<Base> >("Derived");
> 
> The problem is I also have functions like :
>   Holder<Derived> foo()
> 
> and I really need to access the result as a Derived instance.
> Luabind complains at runtime that Holder<Derived> is not registered.
> I'm curious to know if anyone on the list faced this, and of course
> how they solved it :)   Thanks!

So, anybody knows? 

Thanks

- David

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