data-inttrie 0.0.1 → 0.0.2
raw patch · 2 files changed
+13/−13 lines, 2 filesPVP ok
version bump matches the API change (PVP)
API changes (from Hackage documentation)
Files
- Data/IntTrie.hs +12/−12
- data-inttrie.cabal +1/−1
Data/IntTrie.hs view
@@ -32,14 +32,14 @@ data BitTrie a = BitTrie a (BitTrie a) (BitTrie a) instance Functor BitTrie where- fmap f (BitTrie x l r) = BitTrie (f x) (fmap f l) (fmap f r)+ fmap f ~(BitTrie x l r) = BitTrie (f x) (fmap f l) (fmap f r) instance Applicative BitTrie where pure x = fix (\g -> BitTrie x g g)- BitTrie f fl fr <*> BitTrie x xl xr = BitTrie (f x) (fl <*> xl) (fr <*> xr)+ ~(BitTrie f fl fr) <*> ~(BitTrie x xl xr) = BitTrie (f x) (fl <*> xl) (fr <*> xr) instance Functor IntTrie where- fmap f (IntTrie neg z pos) = IntTrie (fmap f neg) (f z) (fmap f pos)+ fmap f ~(IntTrie neg z pos) = IntTrie (fmap f neg) (f z) (fmap f pos) instance Applicative IntTrie where pure x = IntTrie (pure x) x (pure x)@@ -48,17 +48,17 @@ -- | Apply the trie to an argument. This is the semantic map. apply :: (Ord b, Bits b) => IntTrie a -> b -> a-apply (IntTrie neg z pos) x =+apply ~(IntTrie neg z pos) x = case compare x 0 of LT -> applyPositive neg (-x) EQ -> z GT -> applyPositive pos x applyPositive :: (Bits b) => BitTrie a -> b -> a-applyPositive (BitTrie one even odd) x+applyPositive ~(BitTrie one even odd) x | x == 1 = one- | testBit x 0 = applyPositive odd (shift x (-1))- | otherwise = applyPositive even (shift x (-1))+ | testBit x 0 = applyPositive odd (x `shiftR` 1)+ | otherwise = applyPositive even (x `shiftR` 1) -- | The identity trie. --@@ -69,24 +69,24 @@ identityPositive :: (Bits a) => BitTrie a identityPositive = go where- go = BitTrie 1 (fmap (\n -> shift n 1) go) (fmap (\n -> shift n 1 .|. 1) go)+ go = BitTrie 1 (fmap (`shiftL` 1) go) (fmap (\n -> (n `shiftL` 1) .|. 1) go) -- | Modify the function at one point -- -- > apply (modify x f t) i | i == x = f (apply t i) -- > | otherwise = apply t i modify :: (Ord b, Bits b) => b -> (a -> a) -> IntTrie a -> IntTrie a-modify x f (IntTrie neg z pos) =+modify x f ~(IntTrie neg z pos) = case compare x 0 of LT -> IntTrie (modifyPositive (-x) f neg) z pos EQ -> IntTrie neg (f z) pos GT -> IntTrie neg z (modifyPositive x f pos) modifyPositive :: (Bits b) => b -> (a -> a) -> BitTrie a -> BitTrie a-modifyPositive x f (BitTrie one even odd)+modifyPositive x f ~(BitTrie one even odd) | x == 1 = BitTrie (f one) even odd- | testBit x 0 = BitTrie one even (modifyPositive x f odd)- | otherwise = BitTrie one (modifyPositive x f even) odd+ | testBit x 0 = BitTrie one even (modifyPositive (x `shiftR` 1) f odd)+ | otherwise = BitTrie one (modifyPositive (x `shiftR` 1) f even) odd -- | Overwrite the function at one point --
data-inttrie.cabal view
@@ -1,7 +1,7 @@ Name: data-inttrie Description: A simple lazy, infinite trie from integers.-Version: 0.0.1+Version: 0.0.2 Stability: experimental Synopsis: A lazy, infinite trie of integers. License: BSD3