Serlib.Ser_cAstval t_of_sexp : (Sexplib.Sexp.t -> 'a) -> Sexplib.Sexp.t -> 'a tval sexp_of_t : ('a -> Sexplib.Sexp.t) -> 'a t -> Sexplib.Sexp.tval of_yojson :
(Yojson.Safe.t -> ('a, string) Result.result) ->
Yojson.Safe.t ->
('a t, string) Result.resultval to_yojson : ('a -> Yojson.Safe.t) -> 'a t -> Yojson.Safe.tval omit_att : bool ref