Thanks, that's interesting, i should dive a bit more into how async is implemented. On "which closure kind to choose" i feel like that's not the worst part (clo

Thanks, that's interesting, i should dive a bit more into how async is implemented. On "which closure kind to choose" i feel like that's not the worst part (closure syntax already infers which trait to implement), but the fact that it is a closure and how it fares with allocation seems not trivial.