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

[Stephen Tetley]

On 27 June 2010 08:38, Stephen Tetley <stephen.tetley at gmail.com> 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...)