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  • perhaps steve-yegge.blogspot.co.uk/2008/10/… Commented Oct 22, 2012 at 11:54
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    I was actually thinking about exactly this type of problem this morning (not related to RPG, but rules processing engines) and trying to think of non-state machine approaches to rules processing and how combinatory parsers are so effective at completing a task usually done by state machines. I think there is a rich possibility for monadic combinators to approach most state machine problems more cleanly. That may sound like gibberish but I think there's something to this idea, just my 2 cents. RPG systems are a classic fun practice problem I like coding, perhaps I'll try this approach out. Commented Oct 22, 2012 at 15:43
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    @jk. that article reminds me of a pattern I've liked for command line program argument parsing, using a dictionary of Funcs which initialize the program state based on the arguments as keys to the dictionary. Surprised I never found that post from Yegge before, very cool, thanks for pointing it out. Commented Oct 22, 2012 at 15:49
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    I'm not really sure why this was closed as "not a real question". Its a higher level "whiteboard" question about how to architect an application that has a specific set of requirements (RPG rules system). I've voted to reopen it, but it will still need 4 other reopen votes to get reopened. Commented Oct 22, 2012 at 19:50
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    Honestly I thought this site is exactly for this kind of conceptual questions while stackoverflow.com is thought for code / implementation problems. Commented Oct 23, 2012 at 17:30