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ajtulloch/search.hs

Created October 30, 2013 17:27
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search.hs
search :: Eq a => Expand a -> a -> Seq (Node a) -> Bool
search expand target queue =
let recur = search expand target
in case viewl queue of
EmptyL -> False
Leaf value :< xs -> (value == target) || recur xs
Branch left right :< xs ->
recur (expand xs left right)
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