[Add missing sigs in Util.Histogram
Samuel Bronson <naesten@gmail.com>**20090203231244] hunk ./Util/Histogram.hs 32
+singleton :: a -> Histogram a
hunk ./Util/Histogram.hs 34
+
+insert :: Ord a => a -> Histogram a -> Histogram a
hunk ./Util/Histogram.hs 37
+
+find :: (Ord a) => a -> Histogram a -> Int
hunk ./Util/Histogram.hs 40
+
+toList :: Histogram a -> [(a, Int)]
hunk ./Util/Histogram.hs 43
+
+satisfy :: (Int -> Bool) -> Histogram a -> [a]
hunk ./Util/Histogram.hs 46
+
+satisfyKey :: (Int -> Bool) -> Histogram a -> [(a,Int)]
hunk ./Util/Histogram.hs 49
+
+filter :: Ord a => (a -> Int -> Bool) -> Histogram a -> Histogram a
hunk ./Util/Histogram.hs 52
+
+keys :: Histogram a -> [a]
hunk ./Util/Histogram.hs 55
+elems :: Histogram a -> [Int]
hunk ./Util/Histogram.hs 57
+
+map :: Ord b => (a -> b) -> Histogram a -> Histogram b
hunk ./Util/Histogram.hs 60
+
+mapM :: (Monad m, Ord b) => (a -> m b) -> Histogram a -> m (Histogram b)
hunk ./Util/Histogram.hs 65
+
+mapM_ :: (Monad m) => (a -> m b) -> Histogram a -> m ()
hunk ./Util/Histogram.hs 68
+
hunk ./Util/Histogram.hs 71
+
+empty :: Histogram a