Merge_with_duplicates_element (base.Base.Sequence.Merge_with_duplicates

type (!'a, !'b) t =

| Left of 'a
| Right of 'b
| Both of 'a * 'b

val compare : 
  ('a -> 'a -> int) ->
  ('b -> 'b -> int) ->
  ('a, 'b) t ->
  ('a, 'b) t ->
  int

val hash_fold_t : 
  (Base_internalhash_types.state -> 'a -> Base_internalhash_types.state) ->
  (Base_internalhash_types.state -> 'b -> Base_internalhash_types.state) ->
  Base_internalhash_types.state ->
  ('a, 'b) t ->
  Base_internalhash_types.state

val t_of_sexp : 
  (Sexplib0__.Sexp.t -> 'a) ->
  (Sexplib0__.Sexp.t -> 'b) ->
  Sexplib0__.Sexp.t ->
  ('a, 'b) t

val sexp_of_t : 
  ('a -> Sexplib0__.Sexp.t) ->
  ('b -> Sexplib0__.Sexp.t) ->
  ('a, 'b) t ->
  Sexplib0__.Sexp.t

val t_sexp_grammar : 
  'a Sexplib0.Sexp_grammar.t ->
  'b Sexplib0.Sexp_grammar.t ->
  ('a, 'b) t Sexplib0.Sexp_grammar.t