[Hixon10]

It sounds super cool, your idea and implementation for await and transactions. Because of my limited Rust knowledge, it's hard for me to understand how difficult it was to implement such a plugin.

Also, your idea of using different domain specific colors is interesting. It might be possible to express this via some kind of effect system. I'm not aware of any popular Rust libraries for that, but it could be worth borrowing some ideas from Scala libraries.