[Haskell-cafe] [reactive] A pong and integrate

[Limestraël]

One problem with Elerea experimental branch besides the update time control:
the memo function. I can't understand when I have to call it and when I
don't.

Just to know, have you been told of a language dedicated to reactive
programming (even experimental)? I mean, not an embedded language just like
Yampa is.

2010/5/24 Patai Gergely <patai_gergely at fastmail.fm>

> > IMO: For AAA game programming? Definitely not. For exploring new ways
> > of doing game programming and having a lot of fun and frustration?
> > Sure! For making casual games? I don't know.
> Why not casual games? I don't see any immediate difficulty. Do you have
> any particular bad experience?
>
> Limestraël:
>
> > I find Elerea fine so far, but it is still experimental and more limited
> > than Yampa.
> Well, it's more expressive in one way and more limited in another.
> Elerea lifts some limitations of Yampa by extending it with the
> ArrowApply/Monad interface, and you can certainly reimplement all the
> crazy switching combinators using the basic building blocks provided by
> the library. However, you cannot stop a signal in Elerea, while that's
> trivial in Yampa. I believe Elerea needs two more basic combinators: a
> simple 'untilB'-like switcher (mainly to be able to tell when a signal
> ends) and a freezing modifier that allows you to control the updates of
> a signal (or more like a whole subnetwork). The semantics of the latter
> is not clear to me yet (I don't intend to introduce a full-fledged clock
> calculus &#224; la Lucid Synchrone if it's possible to avoid), and I
> want to work it out properly before implementing anything.
>
> Gergely
>
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