Perl Christmas Quiz

Robin Barker Robin.Barker at
Mon Dec 15 18:08:55 GMT 2008

My haskell solution:

import List (delete) 
intersection :: Eq a => [a] -> [a] -> [a]
intersection [] _ = []
intersection (x:xs) ys = if elem x ys then x: (intersection xs (delete x ys))
							else intersection xs ys

My Perl solution:

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