Parallel_scan.Job_status
Each node on the tree is viewed as a job that needs to be completed. When a job is completed, it creates a new "Todo" job and marks the old job as "Done"
module Stable : sig ... end
type t = Stable.Latest.t =
| Todo
| Done
include Ppx_sexp_conv_lib.Sexpable.S with type t := t
val t_of_sexp : Sexplib0__.Sexp.t -> t
val sexp_of_t : t -> Sexplib0__.Sexp.t
val to_string : t -> string