type im_string = string

let create   = String.create
let make     = String.make
let copy     = String.copy
let sub      = String.sub
let length   = String.length
let get      = String.get
let iter     = String.iter
let escaped  = String.escaped
let index    = String.index
let contains = String.contains

let of_string s = s
let to_string s = s
let print = print_string