src/HOL/SPARK/Examples/RIPEMD-160/wordops.adb

proper support for "isabelle update -D DIR": avoid accidental exclusion of select_dirs (amending e5dafe9e120f);

package body Wordops is

   function Rotate(I : Rotate_Amount; W : Word) return Word
   is
   begin
      return Interfaces.Rotate_Left (W, I);
   end Rotate;

end Wordops;