F# Type providers are a powerful solution to problems of the same class as your first example. http://research.microsoft.com/pubs/173076/information-rich-theme

F# Type providers are a powerful solution to problems of the same class as your first example. http://research.microsoft.com/pubs/173076/information-rich-themes-v4.pdf http://research.microsoft.com/pubs/173076/information-rich-t... And smart use of data structures, algebraic types and composition for the latter. The benefit of this is you build a sort of theory for your game, sometimes it predicts and suggests things that would not have been obvious to you otherwise.