Re: [Libmesh-devel] Making BoundaryMesh a proper Mesh

[Kirk, B. (JSC-EG311) <ben...@na...>]

> class BoundaryElem : public Elem
> {
>   Elem* _interior_parent;
>   Elem* self;
> }
> 
> All the Elem functionality could be implemented by forwarding to the
> underlying "self" pointer, which represents some actual element.
> 
> But... that might be way too much work for something that could be
> fixed with either of your suggestions above!

Along these lines though, couldn't you avoid the duplication by *not*
deriving from Elem and instead providing a conversion operator from a
BoundaryElem to an Elem that simply returns *self?

I don't remember the syntax of the top of my head...