> I'm curious, what's the ergonomics like for this? Your code won't compile unless everything is Send/Sync as appropriate, and (I might be wrong, but) the lazy

> I'm curious, what's the ergonomics like for this? Your code won't compile unless everything is Send/Sync as appropriate, and (I might be wrong, but) the lazy path to achieving this is usually wrapping things that might be shared in Arcs and/or Mutexes.