[chombier]

I was a bit curious to learn what the differences are between this and the actor model, and I found this lobste.rs discussion to be helpful: https://lobste.rs/s/gsjskz/behavior_oriented_concurrency_for

> In BoC, the equivalent of a message is received by multiple actors and operates with exclusive access to the message and all of the receivers.

(emphasis mine)

IIUC with actors, messages are processed by exactly one actor so it can be difficult to express transactions (e.g. transferring funds from A to B cannot be done atomically). Erlang somewhat fixes this with "selective receive" which re-introduces the possibility of deadlocks. BoC fixes both issues.