ocaml-containers/src/pvec/containers_pvec.mli
2024-09-10 08:47:46 -04:00

108 lines
2.5 KiB
OCaml

(** Functional Vectors.
These are trees with a large branching factor for logarithmic operations with
a low multiplicative factor.
{b status: experimental}
@since 3.13.1
*)
type 'a iter = ('a -> unit) -> unit
[@@@ifge 5.0]
type !'a t
[@@@else_]
type 'a t
[@@@endif]
val empty : 'a t
(** Empty vector. *)
val is_empty : _ t -> bool
(** Is the vector empty? *)
val return : 'a -> 'a t
(** Single element vector. *)
val length : _ t -> int
(** Number of elements. Constant time. *)
val make : int -> 'a -> 'a t
(** [make n x] makes a vector with [n] copies
of the element [x] *)
val push : 'a t -> 'a -> 'a t
(** Add element at the end. *)
val get : 'a t -> int -> 'a
(** @raise Invalid_argument if key not present. *)
val get_opt : 'a t -> int -> 'a option
val last : 'a t -> 'a
(** Last element.
@raise Invalid_argument if the vec is empty *)
val last_opt : 'a t -> 'a option
val pop : 'a t -> 'a * 'a t
(** Pop last element.
@raise Invalid_argument in case the vec is empty. *)
val pop_opt : 'a t -> ('a * 'a t) option
(** Pop last element. *)
val drop_last : 'a t -> 'a t
(** Like {!pop_opt} but doesn't return the last element.
Returns the same vector if it's empty. *)
val equal : ('a -> 'a -> bool) -> 'a t -> 'a t -> bool
val iter : ('a -> unit) -> 'a t -> unit
val iter_rev : ('a -> unit) -> 'a t -> unit
(** Iterate on elements but starting from the end. *)
val iteri : (int -> 'a -> unit) -> 'a t -> unit
(** Iterate on elements with their index, in increasing order. *)
val iteri_rev : (int -> 'a -> unit) -> 'a t -> unit
(** Iterate on elements with their index, but starting from the end. *)
val fold_left : ('b -> 'a -> 'b) -> 'b -> 'a t -> 'b
val fold_rev : ('b -> 'a -> 'b) -> 'b -> 'a t -> 'b
val fold_lefti : ('b -> int -> 'a -> 'b) -> 'b -> 'a t -> 'b
val fold_revi : ('b -> int -> 'a -> 'b) -> 'b -> 'a t -> 'b
val append : 'a t -> 'a t -> 'a t
(** [append a b] adds all elements of [b] at the end of [a]. This is
at least linear in the length of [b]. *)
val map : ('a -> 'b) -> 'a t -> 'b t
val choose : 'a t -> 'a option
(** Return an element. It is unspecified which one is returned. *)
val to_list : 'a t -> 'a list
val of_list : 'a list -> 'a t
val add_list : 'a t -> 'a list -> 'a t
val add_iter : 'a t -> 'a iter -> 'a t
val of_iter : 'a iter -> 'a t
val to_iter : 'a t -> 'a iter
val add_seq : 'a t -> 'a Seq.t -> 'a t
val of_seq : 'a Seq.t -> 'a t
val to_seq : 'a t -> 'a Seq.t
(**/**)
module Private_ : sig
type 'a printer = Format.formatter -> 'a -> unit
val debug : 'a printer -> 'a t printer
end
(**/**)