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GetContented/gist:733a4fdd837c8058fe6f8ac1e3c5e36a

Last active July 16, 2016 09:37
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gistfile1.txt
elementAt :: Integral b => [a] -> b -> Maybe a
elementAt (x:_) 1 = Just x
elementAt (_:xs) k = elementAt xs (k - 1)
elementAt _ _ = Nothing
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