Module Caml.String

type t = string
val make : int -> char -> string
val init : int -> ( int -> char ) -> string
val length : string -> int
val get : string -> int -> char
val concat : string -> string list -> string
val equal : t -> t -> bool
val compare : t -> t -> int
val contains_from : string -> int -> char -> bool
val rcontains_from : string -> int -> char -> bool
val sub : string -> int -> int -> string
val split_on_char : char -> string -> string list
val map : ( char -> char ) -> string -> string
val mapi : ( int -> char -> char ) -> string -> string
val trim : string -> string
val escaped : string -> string
val uppercase_ascii : string -> string
val lowercase_ascii : string -> string
val capitalize_ascii : string -> string
val uncapitalize_ascii : string -> string
val iter : ( char -> unit ) -> string -> unit
val iteri : ( int -> char -> unit ) -> string -> unit
val index_from : string -> int -> char -> int
val index_from_opt : string -> int -> char -> int option
val rindex_from : string -> int -> char -> int
val rindex_from_opt : string -> int -> char -> int option
val index : string -> char -> int
val index_opt : string -> char -> int option
val rindex : string -> char -> int
val rindex_opt : string -> char -> int option
val to_seq : t -> char Stdlib.Seq.t
val to_seqi : t -> (int * char) Stdlib.Seq.t
val of_seq : char Stdlib.Seq.t -> t
val create : int -> bytes
val set : bytes -> int -> char -> unit
val blit : string -> int -> bytes -> int -> int -> unit
val copy : string -> string
val fill : bytes -> int -> int -> char -> unit
val uppercase : string -> string
val lowercase : string -> string
val capitalize : string -> string
val uncapitalize : string -> string
val unsafe_get : string -> int -> char
val unsafe_set : bytes -> int -> char -> unit
val unsafe_blit : string -> int -> bytes -> int -> int -> unit
val unsafe_fill : bytes -> int -> int -> char -> unit
val prefix : string -> string -> bool
val suffix : string -> string -> bool
val contains : string -> sub:string -> bool
val unsafe_to_nat : string -> Z.t