Re: [Haskell-cafe] Think of a monad...

so are monads whats holding the nuclear waste or whats holding the apples? ;) On 2/1/07, Frederick Ross wrote:

And we have reached the monadic equivalent of Schrodinger's cat.

...

Dear Haskellers,

In the recent HWN, I noticed a new monad metaphor by Don Stewart: Think of a monad as a spacesuite full of nuclear waste in the ocean next to a container of apples. now, you can't put oranges in the space suite or

On 1/31/07, Eric Y. Kow wrote: the

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nucelar waste falls in the ocean, *but* the apples are carried around anyway, and you just take what you need

This metaphor very clearly captures the essence of monads. Perhaps it will be even more helpful if accompanied by a small illustration: http://koweycode.blogspot.com/2007/01/think-of-monad.html

I hope this turns out to be useful to somebody,

-- Eric Kow http://www.loria.fr/~kow PGP Key ID: 08AC04F9 Merci de corriger mon français.

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-- Frederick Ross Graduate Fellow, (|Siggia> + |McKinney>)/sqrt(2) Lab The Rockefeller University Je ne suis pas Fred Cross! _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe