Holen Sie sich den Schwanz von List Haskell
list = [1, 2, 3, 4]
tail :: [a] -> [a]
tail [] = []
tail (_:xs) = xs
Perfect Peafowl
list = [1, 2, 3, 4]
tail :: [a] -> [a]
tail [] = []
tail (_:xs) = xs--Haskell Lists' are 0 based
--Let xs be a list from where we want the n-th element
?> xs !! n
--Example
?> [1, 2, 3] !! 1
?> 2