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add superclasses to Applicative and Traversable
[haskell-directory.git]
/
Data
/
Tree.hs
diff --git
a/Data/Tree.hs
b/Data/Tree.hs
index
bc103b8
..
f2a55f5
100644
(file)
--- a/
Data/Tree.hs
+++ b/
Data/Tree.hs
@@
-28,7
+28,7
@@
module Data.Tree(
import Prelude
#endif
-import Control.Applicative (Applicative(..))
+import Control.Applicative (Applicative(..), (<$>))
import Control.Monad
import Data.Monoid (Monoid(..))
import Data.Sequence (Seq, empty, singleton, (<|), (|>), fromList,