Idea #1 on integrating RC with GC

[Kagamin]

On Wednesday, 5 February 2014 at 07:45:26 UTC, Andrei 
Alexandrescu wrote:
> In an RC system you must collect cycles. ARC leaves that to the 
> programmer in the form of weak pointers. This particular idea 
> automates that.

Having GC as a backup for cycles doesn't prevent making 
everything transparently refcounted. As to allocation strategies, 
the code can just use compatible allocation strategy.