What does actor reentrancy mean?
If you captured any state before doing some async work in your actor, then by the time your task is resumed, your captured state may be stale. This is what actor reentrancy is about. Because of this, you should avoid capturing things that are subject to change before your task is suspended. Instead, only retrieve values after your task is resumed. The term “reentrant” literally means “able to be entered again....