@@ -29,7 +29,7 @@ import Control.Monad.State.Strict
30import Data.Dependent.Sum (DSum (..))
30import Data.Dependent.Sum (DSum (..))
31import Data.Monoid
31import Data.Monoid
32−import Data.Traversable (traverse)
32+import Data.Traversable (traverse, sequence)
33import Data.Maybe
33import Data.Maybe
34import qualified Data.IntMap.Strict as IntMap
34import qualified Data.IntMap.Strict as IntMap
35import Control.Monad.Ref
35import Control.Monad.Ref
@@ -40,7 +40,7 @@ import Data.IORef
40import System.Mem
40import System.Mem
42-- Note: this import must come last to silence warnings from AMP
42-- Note: this import must come last to silence warnings from AMP
43−import Prelude
43+import Prelude hiding (sequence)
45type MonadIORef m = (MonadIO m, MonadRef m, Ref m ~ Ref IO)
45type MonadIORef m = (MonadIO m, MonadRef m, Ref m ~ Ref IO)