> but no way to reset the arena & reclaim its memory. But then again, you'd have to make it so no allocations from the arena are alive & in use when you reset t

> but no way to reset the arena & reclaim its memory. But then again, you'd have to make it so no allocations from the arena are alive & in use when you reset the arena Looks like that implementation doesn't, but the borrow checker can definitely specify that sort of constraint (it looks `fn foo(self) -> Self`). I think it's not exposed because the code assumes that all but the last chunk are completely filled - but it could also just be that no one asked for that.