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

Stephen Tetley stephen.tetley at gmail.com
Sun Jun 27 03:46:05 EDT 2010

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...)

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