On Wed, Apr 14, 2010 at 04:43:20PM +0200, Limestraël wrote: > Yves, that is exactly how I designed my program so far. > Human player needs a monad IO, AI needs just a monad, whatever it is, and I > make both run in IO. > > And, as you said, the type of the ai (bot :: Monad m => Player m) contains > no IO, so I know that, even if I make it run in IO, it won't make any > side-effect. > > My problem was, for example, if I want a player to run in its OWN monad. > Human uses IO, which is unique and shared by all the human players in the > program. > But what if I want an AI that remember every former opponent's move, so that > it could adapt its reflexion all along the game? > Then this AI would have to run in its own State monad, for instance.
Perhaps the techniques of this recent draft paper would be useful: http://tomschrijvers.blogspot.com/2010/03/bruno-oliveira-and-i-are-working-on.html (click the link "draft") Regards, Reid Barton _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
