+1
I think these changes makes actors more practical usable - I spent 20 minutes reading through skipping back to more interesting parts. I have no practical experience with actors, but have worked with asynchronous message passing systems with with encapsulated state between entities, so some relevance.
It’s nice to have more fine grained control.
I particularly liked:
The custom executors proposal provides control over the concurrency domains in which actors execute, which could be used to dynamically ensure that two actors execute in the same concurrency domain. That proposal could be modified or extended to guarantee statically that some set of actors share a concurrency domain to make functions with more than one
isolatedparameter mo…
That would be a very nice extension!