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changed indent method according to ghc standard

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This commit is contained in:
IGI-111
2015-04-05 15:45:51 +02:00
parent 24d0dcba96
commit 32309510a8
4 changed files with 43 additions and 39 deletions
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10
DataModel.hs
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@@ -17,14 +17,18 @@ instance Show Item where
data ItemSet = ItemSet (Set Item) deriving (Eq, Ord)
instance Show ItemSet where
show (ItemSet x) = foldr ((\y old -> y ++ " " ++ old).show) "" (Set.toList x)
show (ItemSet x) =
foldr ((\y old -> y ++ " " ++ old).show) "" (Set.toList x)
instance Freq ItemSet where
frequency table (ItemSet set) = setCount / fromIntegral (length table) where
frequency table (ItemSet set) =
setCount / fromIntegral (length table) where
setCount = fromIntegral $ count table (ItemSet set)
count :: [ItemSet] -> ItemSet -> Count
count table (ItemSet set) = length (filter (\(ItemSet row) -> set `Set.isSubsetOf` row) table)
count table (ItemSet set) =
length (filter isSuperSet table) where
isSuperset (ItemSet row) = set `Set.isSubsetOf` row
data Rule = Rule ItemSet ItemSet deriving (Eq)