Help coming up with reasons to not use `@isolated(any)`

[mattie]

Honestly, I'm having a hard time figuring out if there are situations where this would be problematic.

But the easiest way to find out is to propose change! So that's what I did here:

Ideas for some concurrency syntax

A recent thread inspired me to try to put some more work into ideas that have been bouncing around in my head for a while. These are all, at best, half-baked. This is not a pitch for a single, unified proposal. I guess maybe it could turn into that, or maybe just some parts. But I think the things here are at least worth some discussion. The whole motivation is around reducing syntactic complexity. This can put a considerable burden on users, and not just when first learning. I've found there c…