Module Cursor

module Cursor: sig .. end

type 'a t 

exception Failure

val create : unit -> 'a t

val before : 'a t -> unit

val after : 'a t -> unit

val insert : 'a t -> 'a -> unit

val insert_last : 'a t -> 'a -> unit

val peek : 'a t -> 'a

val peek_last : 'a t -> 'a

val goto_first : 'a t -> unit

val goto_last : 'a t -> unit

val get_all : 'a t -> 'a list

val is_last_line : 'a t -> bool