`sig
type 'a t
val length : 'a t -> int
val is_empty : 'a t -> bool
val iter : 'a t -> f:('a -> unit) -> unit
val fold : 'a t -> init:'accum -> f:('accum -> 'a -> 'accum) -> 'accum
val exists : 'a t -> f:('a -> bool) -> bool
val for_all : 'a t -> f:('a -> bool) -> bool
val count : 'a t -> f:('a -> bool) -> int
val sum :
(module Commutative_group.S with type t = 'sum) ->
'a t -> f:('a -> 'sum) -> 'sum
val find : 'a t -> f:('a -> bool) -> 'a option
val find_map : 'a t -> f:('a -> 'b option) -> 'b option
val to_list : 'a t -> 'a list
val to_array : 'a t -> 'a array
type 'a tree
type comparator_witness
val invariants : 'a t -> bool
val mem : 'a t -> 'a -> bool
val add : 'a t -> 'a -> 'a t
val remove : 'a t -> 'a -> 'a t
val union : 'a t -> 'a t -> 'a t
val inter : 'a t -> 'a t -> 'a t
val diff : 'a t -> 'a t -> 'a t
val symmetric_diff : 'a t -> 'a t -> ('a, 'a) Either.t Sequence.t
val compare_direct : 'a t -> 'a t -> int
val equal : 'a t -> 'a t -> bool
val subset : 'a t -> 'a t -> bool
val fold_until :
'a t ->
init:'b -> f:('b -> 'a -> [ `Continue of 'b | `Stop of 'b ]) -> 'b
val fold_right : 'a t -> init:'b -> f:('a -> 'b -> 'b) -> 'b
val iter2 :
'a t ->
'a t ->
f:([ `Both of 'a * 'a | `Left of 'a | `Right of 'a ] -> unit) -> unit
val filter : 'a t -> f:('a -> bool) -> 'a t
val partition_tf : 'a t -> f:('a -> bool) -> 'a t * 'a t
val elements : 'a t -> 'a list
val min_elt : 'a t -> 'a option
val min_elt_exn : 'a t -> 'a
val max_elt : 'a t -> 'a option
val max_elt_exn : 'a t -> 'a
val choose : 'a t -> 'a option
val choose_exn : 'a t -> 'a
val split : 'a t -> 'a -> 'a t * 'a option * 'a t
val group_by : 'a t -> equiv:('a -> 'a -> bool) -> 'a t list
val find_exn : 'a t -> f:('a -> bool) -> 'a
val find_index : 'a t -> int -> 'a option
val remove_index : 'a t -> int -> 'a t
val to_tree : 'a t -> 'a Core_set_intf.Accessors1.tree
val to_sequence :
?order:[ `Decreasing | `Increasing ] ->
?greater_or_equal_to:'a -> ?less_or_equal_to:'a -> 'a t -> 'a Sequence.t
val to_map :
'a t ->
f:('a -> 'b) ->
('a, 'b, Core_set_intf.Accessors1.comparator_witness) Map.t
end`