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Thanks guys for all the solutions. A slight correction below.

On 09/01/11 03:54, David Menendez wrote:
>
> Naturally, if you also have pure and fmap, you also have a monad.
You have a pointed functor but not necessarily a monad. There are many
pointed functors that are not monads. The paper, Applicative
Programming with Effects (McBride, Paterson) lists a couple.

- -- 
Tony Morris
http://tmorris.net/

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