unionWithKey package:radix-tree

unionWithKey :: (Word -> a -> a -> a) -> Patricia a -> Patricia a -> Patricia a
radix-tree Data.Patricia.Word.Lazy
Union of two trees with a combining function.
unionWithKey :: (Build1 -> a -> a -> a) -> Radix1Tree a -> Radix1Tree a -> Radix1Tree a
radix-tree Data.Radix1Tree.Word8.Lazy
Union of two trees with a combining function.
unionWithKey :: (Build -> a -> a -> a) -> RadixTree a -> RadixTree a -> RadixTree a
radix-tree Data.RadixTree.Word8.Lazy
Union of two trees with a combining function.
unionWithKey' :: (Word -> a -> a -> a) -> Patricia a -> Patricia a -> Patricia a
radix-tree Data.Patricia.Word.Strict
Union of two trees with a combining function. New values are evaluated to WHNF.
unionWithKey' :: (Build1 -> a -> a -> a) -> Radix1Tree a -> Radix1Tree a -> Radix1Tree a
radix-tree Data.Radix1Tree.Word8.Strict
Union of two trees with a combining function. New values are evaluated to WHNF.
unionWithKey' :: (Build -> a -> a -> a) -> RadixTree a -> RadixTree a -> RadixTree a
radix-tree Data.RadixTree.Word8.Strict
Union of two trees with a combining function. New values are evaluated to WHNF.