[project @ 2003-06-30 14:08:24 by stolz]

Duplex Handles are writeable.

Noticed by: Jurriaan Hage

Please MERGE

diff --git a/GHC/Handle.hs b/GHC/Handle.hs
index 13a051b..26e4140 100644 (file)
--- a/GHC/Handle.hs
+++ b/GHC/Handle.hs
@@ -1202,7 +1202,7 @@ hIsReadable handle =
       htype               -> return (isReadableHandleType htype)
 
 hIsWritable :: Handle -> IO Bool
-hIsWritable (DuplexHandle _ _) = return False
+hIsWritable (DuplexHandle _ _) = return True
 hIsWritable handle =
     withHandle_ "hIsWritable" handle $ \ handle_ -> do
     case haType handle_ of