Glorious hacking (all the hard work) by Bryan O'Sullivan.
\begin{code}
+{-# OPTIONS -#include "cbits/PackedString.h" #-}
+
module PackedString (
PackedString, -- abstract
)
import Addr
-import PrelArr ( StateAndMutableByteArray#(..) , StateAndByteArray#(..) )
import PrelST
import ST
import IOExts ( unsafePerformIO )