Serlib.Ser_utilSourceval union_of_sexp :
(Sexplib.Sexp.t -> 'a) ->
(Sexplib.Sexp.t -> 'b) ->
Sexplib.Sexp.t ->
('a, 'b) unionval sexp_of_union :
('a -> Sexplib.Sexp.t) ->
('b -> Sexplib.Sexp.t) ->
('a, 'b) union ->
Sexplib.Sexp.tval union_of_yojson :
(Yojson.Safe.t -> ('a, string) Result.result) ->
(Yojson.Safe.t -> ('b, string) Result.result) ->
Yojson.Safe.t ->
(('a, 'b) union, string) Result.resultval union_to_yojson :
('a -> Yojson.Safe.t) ->
('b -> Yojson.Safe.t) ->
('a, 'b) union ->
Yojson.Safe.t