Question: I need to write these two functions in haskell for searching a BST tree: successor :: Ord a => a -> Tree a -> Maybe

I need to write these two functions in haskell for searching a BST tree:

successor :: Ord a => a -> Tree a -> Maybe a

--Given a value (a) , search a tree to find the successor node (next highest value)

closest :: Int -> Tree Int -> Int

--Given an int, search a tree and find the node with the losest value to the given int (can be larger or smaller)

--Given

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