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-rw-r--r--compiler/utils/UniqFM.hs10
1 files changed, 1 insertions, 9 deletions
diff --git a/compiler/utils/UniqFM.hs b/compiler/utils/UniqFM.hs
index f0cc197b71..2a9b806178 100644
--- a/compiler/utils/UniqFM.hs
+++ b/compiler/utils/UniqFM.hs
@@ -20,7 +20,6 @@ and ``addToUFM\_C'' and ``Data.IntMap.insertWith'' differ in the order
of arguments of combining function.
-}
-{-# LANGUAGE CPP #-}
{-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
{-# OPTIONS_GHC -Wall #-}
@@ -79,19 +78,16 @@ import Outputable
import Data.List (foldl')
import qualified Data.IntMap as M
-#if MIN_VERSION_containers(0,5,9)
import qualified Data.IntMap.Merge.Lazy as M
import Control.Applicative (Const (..))
import qualified Data.Monoid as Mon
-#endif
import qualified Data.IntSet as S
-import Data.Typeable
import Data.Data
import qualified Data.Semigroup as Semi
newtype UniqFM ele = UFM (M.IntMap ele)
- deriving (Data, Eq, Functor, Typeable)
+ deriving (Data, Eq, Functor)
-- We used to derive Traversable and Foldable, but they were nondeterministic
-- and not obvious at the call site. You can use explicit nonDetEltsUFM
-- and fold a list if needed.
@@ -346,14 +342,10 @@ ufmToIntMap (UFM m) = m
-- Determines whether two 'UniqFm's contain the same keys.
equalKeysUFM :: UniqFM a -> UniqFM b -> Bool
-#if MIN_VERSION_containers(0,5,9)
equalKeysUFM (UFM m1) (UFM m2) = Mon.getAll $ getConst $
M.mergeA (M.traverseMissing (\_ _ -> Const (Mon.All False)))
(M.traverseMissing (\_ _ -> Const (Mon.All False)))
(M.zipWithAMatched (\_ _ _ -> Const (Mon.All True))) m1 m2
-#else
-equalKeysUFM (UFM m1) (UFM m2) = M.keys m1 == M.keys m2
-#endif
-- Instances