Re: [Haskell-cafe] Couldn't match expected type `Integer' against inferred type `Int'

On 9 August 2011 11:06, Paul Reiners wrote:

On Aug 8, 2011, at 7:59 PM, Ivan Lazar Miljenovic wrote:

...

On 9 August 2011 10:49, Paul Reiners wrote:

...

                 step acc x = acc * 10 + digitToInt x

digitToInt returns an Int; as such the result of asInt_foldAux is an Int, but you've specified in its type signature that it should be returning an Integer.

So is there something like digitToInteger?  Or can I somehow cast the Int to an Integer?

step acc x = acc * 10 + fromIntegral (digitToInt x) -- Ivan Lazar Miljenovic Ivan.Miljenovic@gmail.com IvanMiljenovic.wordpress.com