Re: [Haskell-cafe] getting last char of String

On Sat, 1 Jan 2011, Jesse Schalken wrote:

On Sat, Jan 1, 2011 at 8:54 AM, Felipe Almeida Lessa wrote:

...

No definition for last works with infinite lists =). 

Unless you make the result nullable, of course.

maybeLast :: [a] -> Maybe a

maybeLast [] = Nothing

maybeLast [x] = Just x maybeLast (_:xs) = maybeLast xs

How would this work for infinite lists?