On Wed, 2007-02-07 at 13:03 -0500, Jacques Carette wrote:

> Another introduction like by many is Cale Gibbard's 
> http://haskell.org/haskellwiki/Monads_as_containers

I like the fruity definition of functors:

fmap :: (Functor f) => (a -> b) -> f a -> f b

"If you will give me a blueberry for each apple I give you (a -> b), 
and I have a box of apples (f a), 
then I can get a box of blueberries (f b)."


-- 
John Skaller <skaller at users dot sf dot net>
Felix, successor to C++: http://felix.sf.net

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