+{-# OPTIONS -fno-warn-missing-signatures #-}
-- | Basic operations on graphs.
--
-{-# OPTIONS -fno-warn-missing-signatures #-}
module GraphOps (
addNode, delNode, getNode, lookupNode, modNode,
import Outputable
import Unique
import UniqSet
-import UniqFM
+import LazyUniqFM
import Data.List hiding (union)
import Data.Maybe