RosettaCodeData/Task/Bell-numbers/Haskell/bell-numbers-7.hs
2025-02-27 18:35:13 -05:00

3 lines
96 B
Haskell

infixr 9 |>
(|>) :: (Eq a, Num a) => [a] -> [a] -> [a]
(p:ps) |> (0:qs) = p : qs*(ps |> (0:qs))