Module Substring_intf


module Substring_intf: sig .. end
create base ~pos ~len creates a a substring of the base sequence of length len starting at position pos, i.e.

base.pos, base.pos + 1, ... base.pos + len - 1

It is required that: 0 <= pos 0 <= len pos + len <= length base

It does not copy the characters.


type bigstring = Bigstring.t 
module type S = sig .. end