haskell get first element of list from filter code example
Example 1: first element in list haskell
list = [1, 2, 3]
head :: [a] -> a
head (x:_) = x
head list -- 1Example 2: haskell append to list
1 : [2, 3]
--return [1, 2, 3]list = [1, 2, 3]
head :: [a] -> a
head (x:_) = x
head list -- 11 : [2, 3]
--return [1, 2, 3]