module State:sig
..end
typet =
[ `Closed | `In_use | `Not_in_use ]
val __t_of_sexp__ : Sexplib.Sexp.t -> [> `Closed | `In_use | `Not_in_use ]
val t_of_sexp : Sexplib.Sexp.t -> [> `Closed | `In_use | `Not_in_use ]
val sexp_of_t : [< `Closed | `In_use | `Not_in_use ] -> Sexplib.Sexp.t