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

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

wrote:

On Fri, Dec 31, 2010 at 6:43 PM, aditya siram wrote:

...

-- untested and won't work on an infinite list last :: [a] -> a last = head . reverse

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

Cheers,

-- Felipe.

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