Re: [Haskell-cafe] Trouble defining `instance Arrow SF'

On Thu, Oct 27, 2011 at 5:55 AM, Captain Freako wrote:

SF.hs:11:10: `>>>' is not a (visible) method of class `Arrow' Failed, modules loaded: none.

import Prelude hiding ((.),id) import Control.Category you'll also need to define `instance Category SF`, since that is a requirement for Arrows.