Hi Simon, On Tue, Aug 09, 2011 at 04:12:26PM +0200, Simon Hengel wrote:
diff --git a/Control/Concurrent/Chan.hs b/Control/Concurrent/Chan.hs
--- |Put a data item back onto a channel, where it will be the next item read. +-- |Note: This operation is deprecated. +-- If you need this operation, use "Control.Concurrent.STM.TChan" instead. See +-- http://hackage.haskell.org/trac/ghc/ticket/4154 for details. +-- +-- Put a data item back onto a channel, where it will be the next item read. unGetChan :: Chan a -> a -> IO () unGetChan (Chan readVar _) val = do new_read_end <- newEmptyMVar @@ -118,7 +122,11 @@ unGetChan (Chan readVar _) val = do return new_read_end {-# DEPRECATED unGetChan "if you need this operation, use Control.Concurrent.STM.TChan instead. See http://hackage.haskell.org/trac/ghc/ticket/4154 for details" #-}
Hmm, I agree the info should be in the docs, but I think it would be better if haddock extracted the info from the pragma, rather than us having to repeat ourselves all the time. Thanks Ian