\begin{code}
module Util (
+ debugIsOn,
-- general list processing
zipEqual, zipWithEqual, zipWith3Equal, zipWith4Equal,
Direction(..), reslash,
) where
--- XXX This define is a bit of a hack, and should be done more nicely
-#define FAST_STRING_NOT_NEEDED 1
#include "HsVersions.h"
import Panic
%************************************************************************
%* *
+\subsection{-DDEBUG}
+%* *
+%************************************************************************
+
+\begin{code}
+debugIsOn :: Bool
+#ifdef DEBUG
+debugIsOn = True
+#else
+debugIsOn = False
+#endif
+\end{code}
+
+%************************************************************************
+%* *
\subsection{A for loop}
%* *
%************************************************************************