cll

A mutable circular linked list.

Designed for O(1) insertion and removal, O(n) traversal, and close to O(1) search using a backing hashtable.

Project homepage on GitHub

API Documentation

• Cll A mutable circular linked list.

Installation

Install with opam

$ opam install cll

Install with dune

cll can be added as a dependency to a dune file

(executable
  (name foo)
  (libraries cll))

Install from source

# if dune is not installed
$ opam install dune

# clone the github repo
$ git clone https://github.com/jamsidedown/ocaml-cll.git
$ cd ocaml-cll

# build with dune
$ dune build

# install to the current opam switch
$ opam install .

Usage

To be run in the ocaml toplevel

let cll = Cll.init [ 1; 2; 3; 4; 5; 6 ];;

Cll.head cll;;
(* int option = Some 1 *)

Cll.length cll;;
(* int = 6 *)

Cll.next cll;;
Cll.head cll;;
(* int option = Some 2 *)

Cll.prev cll;;
Cll.prev cll;;
Cll.head cll;;
(* int option = Some 6 *)

Cll.add cll 7;;
Cll.head cll;;
(* int option = Some 7 *)

Cll.pop cll;;
(* int option = Some 7 *)
Cll.head cll;;
(* int option = Some 1 *)

Cll.find cll 4;;
(* bool = true *)
Cll.head cll;;
(* int option = Some 4 *)

Cll.iter cll (fun x -> Printf.printf "%i\n")
(*
  4
  5
  6
  1
  2
  3
*)

Cll.to_list cll;;
(* int list = [4; 5; 6; 1; 2; 3] *)