module Sub: sig .. end
sig
end
type t = string * int * int
string * int * int
val make : string -> int -> len:int -> t
string -> int -> len:int -> t
val full : string -> t
string -> t
val copy : t -> string
t -> string
val underlying : t -> string
val sub : t -> int -> int -> t
t -> int -> int -> t
include CCString.S