package base

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type ('elt, 'cmp) t
type ('elt, 'cmp) tree
type 'elt elt
type 'cmp cmp
include Container.Generic with type ('a, 'b) t := ('a, 'b) t with type 'a elt := 'a elt
val length : (_, _) t -> int
val is_empty : (_, _) t -> bool
val iter : ('a, _) t -> f:('a elt -> unit) -> unit
val fold : ('a, _) t -> init:'acc -> f:('acc -> 'a elt -> 'acc) -> 'acc
val fold_result : ('a, _) t -> init:'acc -> f:('acc -> 'a elt -> ('acc, 'e) Result.t) -> ('acc, 'e) Result.t
val exists : ('a, _) t -> f:('a elt -> bool) -> bool
val for_all : ('a, _) t -> f:('a elt -> bool) -> bool
val count : ('a, _) t -> f:('a elt -> bool) -> int
val sum : (module Container.Summable with type t = 'sum) -> ('a, _) t -> f:('a elt -> 'sum) -> 'sum
val find : ('a, _) t -> f:('a elt -> bool) -> 'a elt option
val find_map : ('a, _) t -> f:('a elt -> 'b option) -> 'b option
val to_list : ('a, _) t -> 'a elt list
val to_array : ('a, _) t -> 'a elt array
type ('a, 'cmp, 'z) access_options

The access_options type is used to make Accessors_generic flexible as to whether a comparator is required to be passed to certain functions.

val invariants : ('a, 'cmp, ('a, 'cmp) t -> bool) access_options
val mem : ('a, 'cmp, ('a, 'cmp) t -> 'a elt -> bool) access_options

override Container's mem

val add : ('a, 'cmp, ('a, 'cmp) t -> 'a elt -> ('a, 'cmp) t) access_options
val remove : ('a, 'cmp, ('a, 'cmp) t -> 'a elt -> ('a, 'cmp) t) access_options
val union : ('a, 'cmp, ('a, 'cmp) t -> ('a, 'cmp) t -> ('a, 'cmp) t) access_options
val inter : ('a, 'cmp, ('a, 'cmp) t -> ('a, 'cmp) t -> ('a, 'cmp) t) access_options
val diff : ('a, 'cmp, ('a, 'cmp) t -> ('a, 'cmp) t -> ('a, 'cmp) t) access_options
val symmetric_diff : ('a, 'cmp, ('a, 'cmp) t -> ('a, 'cmp) t -> ('a elt, 'a elt) Either.t Sequence.t) access_options
val compare_direct : ('a, 'cmp, ('a, 'cmp) t -> ('a, 'cmp) t -> int) access_options
val equal : ('a, 'cmp, ('a, 'cmp) t -> ('a, 'cmp) t -> bool) access_options
val is_subset : ('a, 'cmp, ('a, 'cmp) t -> of_:('a, 'cmp) t -> bool) access_options
val are_disjoint : ('a, 'cmp, ('a, 'cmp) t -> ('a, 'cmp) t -> bool) access_options
module Named : sig ... end
val fold_until : ('a, _) t -> init:'acc -> f:('acc -> 'a elt -> ('acc, 'final) Container.Continue_or_stop.t) -> finish:('acc -> 'final) -> 'final
val fold_right : ('a, _) t -> init:'acc -> f:('a elt -> 'acc -> 'acc) -> 'acc
val iter2 : ('a, 'cmp, ('a, 'cmp) t -> ('a, 'cmp) t -> f: ([ `Left of 'a elt | `Right of 'a elt | `Both of 'a elt * 'a elt ] -> unit) -> unit) access_options
val filter : ('a, 'cmp) t -> f:('a elt -> bool) -> ('a, 'cmp) t
val partition_tf : ('a, 'cmp) t -> f:('a elt -> bool) -> ('a, 'cmp) t * ('a, 'cmp) t
val elements : ('a, _) t -> 'a elt list
val min_elt : ('a, _) t -> 'a elt option
val min_elt_exn : ('a, _) t -> 'a elt
val max_elt : ('a, _) t -> 'a elt option
val max_elt_exn : ('a, _) t -> 'a elt
val choose : ('a, _) t -> 'a elt option
val choose_exn : ('a, _) t -> 'a elt
val split : ('a, 'cmp, ('a, 'cmp) t -> 'a elt -> ('a, 'cmp) t * 'a elt option * ('a, 'cmp) t) access_options
val split_le_gt : ('a, 'cmp, ('a, 'cmp) t -> 'a elt -> ('a, 'cmp) t * ('a, 'cmp) t) access_options
val split_lt_ge : ('a, 'cmp, ('a, 'cmp) t -> 'a elt -> ('a, 'cmp) t * ('a, 'cmp) t) access_options
val group_by : ('a, 'cmp) t -> equiv:('a elt -> 'a elt -> bool) -> ('a, 'cmp) t list
val find_exn : ('a, _) t -> f:('a elt -> bool) -> 'a elt
val nth : ('a, _) t -> int -> 'a elt option
val remove_index : ('a, 'cmp, ('a, 'cmp) t -> int -> ('a, 'cmp) t) access_options
val to_tree : ('a, 'cmp) t -> ('a elt, 'cmp cmp) tree
val to_sequence : ('a, 'cmp, ?order:[ `Increasing | `Decreasing ] -> ?greater_or_equal_to:'a elt -> ?less_or_equal_to:'a elt -> ('a, 'cmp) t -> 'a elt Sequence.t) access_options
val binary_search_segmented : ('a, 'cmp, ('a, 'cmp) t -> segment_of:('a elt -> [ `Left | `Right ]) -> Binary_searchable.Which_target_by_segment.t -> 'a elt option) access_options
val merge_to_sequence : ('a, 'cmp, ?order:[ `Increasing | `Decreasing ] -> ?greater_or_equal_to:'a elt -> ?less_or_equal_to:'a elt -> ('a, 'cmp) t -> ('a, 'cmp) t -> ('a elt, 'a elt) Sequence.Merge_with_duplicates_element.t Sequence.t) access_options
type ('a, 'cmp) set
type ('a, 'cmp, 'z) create_options
val empty : ('a, 'cmp, ('a, 'cmp) t) create_options
val singleton : ('a, 'cmp, 'a elt -> ('a, 'cmp) t) create_options
val union_list : ('a, 'cmp, ('a, 'cmp) t list -> ('a, 'cmp) t) create_options
val of_list : ('a, 'cmp, 'a elt list -> ('a, 'cmp) t) create_options
val of_sequence : ('a, 'cmp, 'a elt Sequence.t -> ('a, 'cmp) t) create_options
val of_array : ('a, 'cmp, 'a elt array -> ('a, 'cmp) t) create_options
val of_sorted_array : ('a, 'cmp, 'a elt array -> ('a, 'cmp) t Or_error.t) create_options
val of_sorted_array_unchecked : ('a, 'cmp, 'a elt array -> ('a, 'cmp) t) create_options
val of_increasing_iterator_unchecked : ('a, 'cmp, len:int -> f:(int -> 'a elt) -> ('a, 'cmp) t) create_options
val stable_dedup_list : ('a, _, 'a elt list -> 'a elt list) create_options
val map : ('b, 'cmp, ('a, _) set -> f:('a -> 'b elt) -> ('b, 'cmp) t) create_options

The types of map and filter_map are subtle. The input set, ('a, _) set, reflects the fact that these functions take a set of *any* type, with any comparator, while the output set, ('b, 'cmp) t, reflects that the output set has the particular 'cmp of the creation function. The comparator can come in one of three ways, depending on which set module is used

  • Set.map -- comparator comes as an argument
  • Set.Poly.map -- comparator is polymorphic comparison
  • Foo.Set.map -- comparator is Foo.comparator
val filter_map : ('b, 'cmp, ('a, _) set -> f:('a -> 'b elt option) -> ('b, 'cmp) t) create_options
val of_tree : ('a, 'cmp, ('a elt, 'cmp cmp) tree -> ('a, 'cmp) t) create_options
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