ocaml-containers/src/core/CCSet.mli
2023-06-06 10:26:11 -04:00

105 lines
2.6 KiB
OCaml

(* This file is free software, part of containers. See file "license" for more details. *)
(** Wrapper around Set
@since 0.9 *)
type 'a iter = ('a -> unit) -> unit
(** Fast internal iterator.
@since 2.8 *)
type 'a printer = Format.formatter -> 'a -> unit
module type OrderedType = Set.OrderedType
(** @since 1.5 *)
module type S = sig
include Set.S
val min_elt_opt : t -> elt option
(** Safe version of {!min_elt}.
@since 1.5 *)
val max_elt_opt : t -> elt option
(** Safe version of {!max_elt}.
@since 1.5 *)
val choose_opt : t -> elt option
(** Safe version of {!choose}.
@since 1.5 *)
val find_opt : elt -> t -> elt option
(** Safe version of {!find}.
@since 1.5 *)
val find_first : (elt -> bool) -> t -> elt
(** Find minimum element satisfying predicate.
@since 1.5 *)
val find_first_opt : (elt -> bool) -> t -> elt option
(** Safe version of {!find_first}.
@since 1.5 *)
val find_first_map : (elt -> 'a option) -> t -> 'a option
(** [find_first_map f s] find the minimum element [x] of [s] such that [f x = Some y]
and return [Some y]. Otherwise returns [None].
@since 3.12 *)
val find_last : (elt -> bool) -> t -> elt
(** Find maximum element satisfying predicate.
@since 1.5 *)
val find_last_opt : (elt -> bool) -> t -> elt option
(** Safe version of {!find_last}.
@since 1.5 *)
val find_last_map : (elt -> 'a option) -> t -> 'a option
(** [find_last_map f s] find the maximum element [x] of [s] such that [f x = Some y]
and return [Some y]. Otherwise returns [None].
@since 3.12 *)
val of_iter : elt iter -> t
(** Build a set from the given [iter] of elements.
@since 2.8 *)
val of_seq : elt Seq.t -> t
(** Build a set from the given [seq] of elements.
@since 3.0 *)
val add_iter : t -> elt iter -> t
(** @since 2.8 *)
val add_seq : elt Seq.t -> t -> t
(** @since 3.0 *)
val to_iter : t -> elt iter
(** [to_iter t] converts the set [t] to a [iter] of the elements.
@since 2.8 *)
val add_list : t -> elt list -> t
(** @since 0.14 *)
val to_list : t -> elt list
(** [to_list t] converts the set [t] to a list of the elements. *)
val to_string :
?start:string ->
?stop:string ->
?sep:string ->
(elt -> string) ->
t ->
string
(** Print the set in a string
@since 2.7 *)
val pp :
?pp_start:unit printer ->
?pp_stop:unit printer ->
?pp_sep:unit printer ->
elt printer ->
t printer
(** Print the set. *)
end
module Make (O : Set.OrderedType) :
S with type t = Set.Make(O).t and type elt = O.t