Am 18.09.2010 09:51, schrieb Christopher Tauss:
I am trying to write a function that takes a list and returns the last n elements.
last_n n = fst . foldr step ([], n) where step _ (xs, 0) = (xs, 0) step x (xs, n) = (x:xs, n-1) _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe