Re: [Haskell-beginners] maybe use for functors or arrows?

27 Jun 2010


      On 27 June 2010 08:38, Stephen Tetley  wrote:
...
fmap (\a -> (a,v))
Likely, that fmap is the wrong way round:

fmap (\a -> (l,a))

(The type checker would have spotted the mistake in the really code...)