[project @ 2000-03-23 17:45:17 by simonpj]

[ghc-hetmet.git] / ghc / lib / std / PrelException.lhs

diff --git a/ghc/lib/std/PrelException.lhs b/ghc/lib/std/PrelException.lhs
index 7b556eb..f3d435e 100644 (file)
--- a/ghc/lib/std/PrelException.lhs
+++ b/ghc/lib/std/PrelException.lhs
@@ -1,5 +1,5 @@
 % -----------------------------------------------------------------------------
-% $Id: PrelException.lhs,v 1.13 2000/03/16 17:27:13 simonmar Exp $
+% $Id: PrelException.lhs,v 1.14 2000/03/23 17:45:31 simonpj Exp $
 %
 % (c) The GRAP/AQUA Project, Glasgow University, 1998
 %
@@ -137,6 +137,8 @@ course.
 
 \begin{code}
 ioError         :: IOError -> IO a 
-ioError err    =  throw (IOException err)
+ioError err    =  IO $ \s -> throw (IOException err) s
+       -- (ioError e) isn't an exception; we only throw
+       -- the exception when applied to a world
 \end{code}