% -----------------------------------------------------------------------------
-% $Id: PrelBase.lhs,v 1.38 2000/09/26 16:45:34 simonpj Exp $
+% $Id: PrelBase.lhs,v 1.39 2000/10/03 08:43:05 simonpj Exp $
%
% (c) The University of Glasgow, 1992-2000
%
%*********************************************************
%* *
+\subsection{Generics}
+%* *
+%*********************************************************
+
+\begin{code}
+data Unit = Unit
+data a :+: b = Inl a | Inr b
+data a :*: b = a :*: b
+\end{code}
+
+
+%*********************************************************
+%* *
\subsection{Numeric primops}
%* *
%*********************************************************