Module Gap_buffer

type t
val of_string : string -> t
val to_string : t -> string
val length : t -> int
val get : t -> int -> char
val sub : t -> int -> int -> string
val insert : t -> int -> string -> t
val delete : t -> int -> int -> t
val gap : t -> int
val index_from : t -> int -> char -> int option
val rindex_before : t -> int -> char -> int option