String (astring.Astring.String)

type t = string

val empty : string

val v : len:int -> (int -> char) -> string

val length : string -> int

val get : string -> int -> char

val get_byte : string -> int -> int

val unsafe_get : string -> int -> char

val unsafe_get_byte : string -> int -> int

val head : ?rev:bool -> string -> char option

val get_head : ?rev:bool -> string -> char

val hash : string -> int

val append : string -> string -> string

val concat : ?sep:string -> string list -> string

val is_empty : string -> bool

val is_prefix : affix:string -> string -> bool

val is_infix : affix:string -> string -> bool

val is_suffix : affix:string -> string -> bool

val for_all : (char -> bool) -> string -> bool

val exists : (char -> bool) -> string -> bool

val equal : string -> string -> bool

val compare : string -> string -> int

val with_range : ?first:int -> ?len:int -> string -> string

val with_index_range : ?first:int -> ?last:int -> string -> string

val trim : ?drop:(char -> bool) -> string -> string

val span : 
  ?rev:bool ->
  ?min:int ->
  ?max:int ->
  ?sat:(char -> bool) ->
  string ->
  string * string

val take : 
  ?rev:bool ->
  ?min:int ->
  ?max:int ->
  ?sat:(char -> bool) ->
  string ->
  string

val drop : 
  ?rev:bool ->
  ?min:int ->
  ?max:int ->
  ?sat:(char -> bool) ->
  string ->
  string

val cut : ?rev:bool -> sep:string -> string -> (string * string) option

val cuts : ?rev:bool -> ?empty:bool -> sep:string -> string -> string list

val fields : ?empty:bool -> ?is_sep:(char -> bool) -> string -> string list

type sub

val sub : ?start:int -> ?stop:int -> string -> sub

val sub_with_range : ?first:int -> ?len:int -> string -> sub

val sub_with_index_range : ?first:int -> ?last:int -> string -> sub

module Sub : sig ... end

val find : ?rev:bool -> ?start:int -> (char -> bool) -> string -> int option

val find_sub : ?rev:bool -> ?start:int -> sub:string -> string -> int option

val filter : (char -> bool) -> string -> string

val filter_map : (char -> char option) -> string -> string

val map : (char -> char) -> string -> string

val mapi : (int -> char -> char) -> string -> string

val fold_left : ('a -> char -> 'a) -> 'a -> string -> 'a

val fold_right : (char -> 'a -> 'a) -> string -> 'a -> 'a

val iter : (char -> unit) -> string -> unit

val iteri : (int -> char -> unit) -> string -> unit

val uniquify : string list -> string list

module Ascii : sig ... end

val pp : Format.formatter -> string -> unit

val dump : Format.formatter -> string -> unit

type set

module Set : sig ... end

module Map : sig ... end

type !'a map = 'a Map.t

val of_char : char -> string

val to_char : string -> char option

val of_bool : bool -> string

val to_bool : string -> bool option

val of_int : int -> string

val to_int : string -> int option

val of_nativeint : nativeint -> string

val to_nativeint : string -> nativeint option

val of_int32 : int32 -> string

val to_int32 : string -> int32 option

val of_int64 : int64 -> string

val to_int64 : string -> int64 option

val of_float : float -> string

val to_float : string -> float option