--
-- Maintainer : libraries@haskell.org
-- Stability : provisional
--- Portability : portable
+-- Portability : non-portable (requires universal quantification for runST)
--
--- $Id: Lazy.hs,v 1.1 2001/06/28 14:15:02 simonmar Exp $
+-- $Id: Lazy.hs,v 1.2 2001/07/03 11:37:49 simonmar Exp $
--
-- This module presents an identical interface to Control.Monad.ST,
-- but the underlying implementation of the state thread is lazy.