Allocator-aware @safe reference counting is still not possible

[Richard (Rikki) Andrew Cattermole]

On 24/01/2023 8:04 AM, Paul Backus wrote:
> Then again, it's not obvious that implementing `isolated` would be 
> *less* work than reimplementing `scope` from scratch, so maybe it's just 
> as good a proposal. 😄

Lol yeah.

Realistically somebody should give it a go, see how things turn out, 
only way to see what the true cost of any approach would be.