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mp4096/cartesian_product.hs

Created February 23, 2018 08:31
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Cartesian product using folder
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cartesian_product.hs
product xss = foldr f [[]] xss
where f xs yss = foldr g [] xs
where g x zss = foldr h zss yss
where h ys qss = (x : ys) : qss
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