I can't speak to this particular detail, but it's written in ARC LISP, which itself is written in Racket, which has serializable closures (https://docs.racket-l

I can't speak to this particular detail, but it's written in ARC LISP, which itself is written in Racket, which has serializable closures (https://docs.racket-lang.org/web-server-internal/closure.html https://docs.racket-lang.org/web-server-internal/closure.htm...) so it's at least possible.