diff options
Diffstat (limited to 'compiler/utils')
-rw-r--r-- | compiler/utils/IOEnv.hs | 3 | ||||
-rw-r--r-- | compiler/utils/Maybes.lhs | 3 | ||||
-rw-r--r-- | compiler/utils/Stream.hs | 5 |
3 files changed, 10 insertions, 1 deletions
diff --git a/compiler/utils/IOEnv.hs b/compiler/utils/IOEnv.hs index 1db15537c7..8193beb87f 100644 --- a/compiler/utils/IOEnv.hs +++ b/compiler/utils/IOEnv.hs @@ -1,4 +1,5 @@ {-# LANGUAGE DeriveDataTypeable, UndecidableInstances #-} +{-# LANGUAGE CPP #-} -- -- (c) The University of Glasgow 2002-2006 @@ -43,7 +44,9 @@ import System.IO.Unsafe ( unsafeInterleaveIO ) import System.IO ( fixIO ) import Control.Monad import MonadUtils +#if __GLASGOW_HASKELL__ < 709 import Control.Applicative (Alternative(..)) +#endif ---------------------------------------------------------------------- -- Defining the monad type diff --git a/compiler/utils/Maybes.lhs b/compiler/utils/Maybes.lhs index d9e1762a2f..8052b1d848 100644 --- a/compiler/utils/Maybes.lhs +++ b/compiler/utils/Maybes.lhs @@ -4,6 +4,7 @@ % \begin{code} +{-# LANGUAGE CPP #-} module Maybes ( module Data.Maybe, @@ -17,7 +18,9 @@ module Maybes ( MaybeT(..) ) where +#if __GLASGOW_HASKELL__ < 709 import Control.Applicative +#endif import Control.Monad import Data.Maybe diff --git a/compiler/utils/Stream.hs b/compiler/utils/Stream.hs index 47cdee0789..edb0b0c558 100644 --- a/compiler/utils/Stream.hs +++ b/compiler/utils/Stream.hs @@ -5,14 +5,17 @@ -- Monadic streams -- -- ----------------------------------------------------------------------------- - +{-# LANGUAGE CPP #-} module Stream ( Stream(..), yield, liftIO, collect, fromList, Stream.map, Stream.mapM, Stream.mapAccumL ) where import Control.Monad +#if __GLASGOW_HASKELL__ < 709 import Control.Applicative +#endif + -- | -- @Stream m a b@ is a computation in some Monad @m@ that delivers a sequence |