Re: [Haskell-beginners] why is this type wrong

Hi In your definition, you seem to have forgotten the case when your list is empty. [x] won't bind on []. Regards, Nicolas SCHOEMAEKER (This email was composed from a mobile phone, please excuse any resulting mistakes) Web, Cloud Computing & WebRTC developer Haskell Programmer Artificial Intelligence & Robotics enthusiast On May 12, 2015, 11:40 AM, at 11:40 AM, Kim-Ee Yeoh wrote:

On Tue, May 12, 2015 at 1:42 PM, Roelof Wobben wrote:

-- | The main entry point.

...

last' :: [a] -> a last' [x] = x last' (x:xs) = last xs

Notice that the last line does no recursion: it invokes the Prelude's definition of last.

-- Kim-Ee

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