> Here is a possible implementation of the above module (I think it could 
> be use to improve the actual implementation of map and fold_right in the 
> standard library)

Let me correct my statement: it could be used after some improvment, 
because it is two times slower on small lists (after some timing)


-- 
Christophe Raffalli
Université de Savoie
Batiment Le Chablais, bureau 21
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tél: (33) 4 79 75 81 03
fax: (33) 4 79 75 87 42
mail: Christophe.Raffalli@univ-savoie.fr
www: http://www.lama.univ-savoie.fr/~RAFFALLI
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