conal at conal.net
Tue Nov 20 21:27:59 EST 2007
Moreover, functional programming makes it easy to have much more state than
imperative programming, namely state over *continuous* time. The temporally
discrete time imposed by the imperative model is pretty puny in comparison.
Continuous (or "resolution-independent") time has the same advantages as
continuous space: resource-adaptive, scalable, transformable.
On Nov 20, 2007 4:11 PM, Lennart Augustsson <lennart at augustsson.net> wrote:
> I implemented Tetris in LML long before Haskell existed.
> It was text based, but looked good with a custom font. :)
> Haskell has no problem with state, it's just explicit.
> -- Lennart
> On Nov 19, 2007 9:25 PM, Andrew Coppin <andrewcoppin at btinternet.com>
> > If you were going to implement Tetris in Haskell, how would you do it?
> > (For that matter, has anybody already *done* it? It would probably make
> > a nice example program...)
> > I'm particularly interested to know
> > 1. How exactly would you do the graphical components? (Presumably
> > there's some deep trickery with Gtk2hs that can draw free-form stuff
> > like this.)
> > 2. How do you implement a program that is fundamentally about state
> > mutation in a programming language which abhors state mutation?
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