Thanks you all for your links, I will read this.
However, Brent, I fail to understand your implementation of Monad... I understand the purpose, but not the algorithm. 2010/12/18 Matthew Sottile <[email protected]> > Hi- > > This may be of some interest: > > https://github.com/mjsottile/hsworkflow/raw/master/docs/works09paper.pdf > > That describes a simple project that I think is similar to what you are > looking at doing. The code is in that github repository as well, a couple > directories up from the paper. > > https://github.com/mjsottile/hsworkflow/ > > -m > > > On Dec 15, 2010, at 5:52 AM, Yves Parès wrote: > > > Hello Café, > > > > I was wondering if using infinite lists was a viable and efficient > solution in haskell programs (I mean not simple prototypes) : > > I was considering using them to model agents in a hierarchical > multi-agent application for school. > > A list would representate the state of an agent at a step of the program. > > > > Let's say we have two simple agents, one multiplying its input by 2 and > the other dividing it by 4 : > > > > > > agent1 = fmap (*2) > > agent2 = fmap (/4) > > > > allValues = xs where > > ys = agent1 xs > > xs = 100:agen2 ys > > > > main = do > > mapM_ print $ take 100 allValues > > > > > > Of course, in a real program, an agent would rather take a list of > multiple agents (i.e. a list of lists) in input, so that its ouput could > depend on what several agents feed him. > > > > Some could state what I'm trying to do is FRP, and I agree. But it > remains a simple goal so I'd like to keep the program simple, and not go > into the whole complexity of a FRP framework (and I'm working with a > non-haskeller). > > For instance, with my solution, I cannot dynamically connect or > disconnect agents during the runtime, but I'll will not need to do that in > my program. > > Besides, I'd like to try to implement this myself, not use an already > existing framework. > > > > So is it viable or would the use of multiple infinite lists kill the > performances? > > _______________________________________________ > > Haskell-Cafe mailing list > > [email protected] > > http://www.haskell.org/mailman/listinfo/haskell-cafe > >
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