[Haskell-cafe] Re: Converting IO [XmlTree] to [XmlTree]

Tillmann Rendel rendel at cs.au.dk
Mon Apr 27 16:01:30 EDT 2009


Achim Schneider wrote:
> In other words:
> 
> 1) Explain Pointed
> 2) Explain Functor
> 3) Explain Applicative
> 4) Explain Monad

Why Pointed first? Functor seems more useful and more basic.

   Tillmann


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