[Haskell-beginners] Error with floats in implementation of Horner's method.

[Kim-Ee Yeoh]

On Sat, Dec 14, 2013 at 4:07 AM, Andrew Fleckenstein <
andrew.fleckenstein at gmail.com> wrote:

> I know it has something to do with types,


Right! :)


> but whenever I try to add a type signature to the functions it just messes
> everything up even more.


This works: let a :: [Double]; a = [-1,2,-6,2]

This works too: let a :: Num a => [a]; a = [-1,2,-6,2]

What do you think are the pros and cons of either?

-- Kim-Ee
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