module List where

-- Remove the nth element of a list. (0-indexed)
-- RemoveAt 2 "abc" == ('c', "ab")
removeAt :: Int -> [a] -> (a, [a])
removeAt n xs = (xs !! n, take n xs ++ drop (n+1) xs)

-- Split a string into a list of strings
-- ex. split "ab,cd,ef" ',' == ["ab","cd","ef"]
split :: String -> Char -> [String]
split [] _ = [""]
split (c:cs) delim
	| c == delim = "" : rest
	| otherwise = (c : head rest) : tail rest
	where
		rest = split cs delim