Re: [Haskell-cafe] "Prompt" Monad

No problem. Let me know what you end up doing with it, or if you have any questions! -- ryan On Tue, Aug 12, 2008 at 11:32 PM, Martin Hofmann wrote:

Thanks a lot. That is exactly what I have been looking for.

Cheers,

Martin

On Tue, 2008-08-12 at 10:28 -0700, Ryan Ingram wrote:

...

Latest code is on hackage: http://hackage.haskell.org/cgi-bin/hackage-scripts/package/MonadPrompt

There is a "sample" file with lots of other monads implemented in terms of Prompt included, along with some links to other samples; I seem to recall there being a "guess a number" game on paste.lisp.org that used Prompt to switch between user control and AI control.

Let me know if you have any problems building it and I'll patch it up.

-- ryan

On Tue, Aug 12, 2008 at 5:50 AM, Martin Hofmann wrote:

...

I just came across last year's thread about Ryan Ingram's "Prompt" monad ( http://www.mail-archive.com/haskell-cafe@haskell.org/msg33040.html ) and wondered if it might be useful for debugging and program analysis purposes. In particular, I thought about enforcing program decisions interactively. Consider for example modifying the heuristic function of a search algorithm at specific breakpoints.

Is this possible with the "Prompt" monad? Furthermore, could somebody post the full code of it (and maybe a short example how to use it if at hand)? I was not able to run the code from the previous posts and the referring links are dead.

Thanks a lot,

Martin

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Dipl.-Wirtsch.Inf. (E.M.B.Sc.) Martin Hofmann Cognitive Systems Group Faculty Information Systems and Applied Computer Science University of Bamberg http://www.cogsys.wiai.uni-bamberg.de/members/hofmann http://www.inductive-programming.org