example.ml in trackler-2.1.0.22

- old
+ new

@@ -1,5 +1,5 @@
-open Core.Std
+open Core
 
 let digit_to_int c =
   match c with
   | '0'..'9'  -> Some (int_of_char(c) - 48)
   | 'a'..'f'  -> Some (Char.to_int(c) - 97 + 10)