Idea #1 on integrating RC with GC

[Ola Fosheim Grøstad" <ola.fosheim.grostad+dlang at gmail.com>]

On Wednesday, 5 February 2014 at 19:37:29 UTC, Andrei 
Alexandrescu wrote:
> This is only focusing on slices.

That is not going to work out well, because you should be able to 
decrease the ref count of a pointer to something arbitrary (void) 
without knowing the object type. And the ref count object should 
persist after destruction of the object in the case of weak 
pointers.