Dear Haskellers,
Can GUI programming be liberated from the IO monad? Functional Reactive
Programming (FRP) promises as much, and I'm trying to make this dream a
reality with my [reactive-banana][] library. Having released version
0.4.0.0, I am now looking for example programs to direct the future
evolution of the library.
Do you know any *small GUI programs* that you would *like* to see
*implemented with Functional Reactive Programming?*
I'm sure that some of you
* are interested in FRP and would like to learn from a few simple but
beautiful examples
* or have written small GUI programs that they are unhappy with because
they were not purely functional
* or have thought about FRP before and concocted a few examples that are
very tricky to implement with FRP
* or have written a nice little GUI application that simply makes a
great example.
I would love to hear your examples, so that I can try to convert them to
FRP style and test my library against them!
Strictly speaking, it doesn't have to be an example with a graphical
interface, I'm also interested in audio and animation examples, though
I'm currently focusing on GUIs.
Here a few examples of what I am looking for:
* I think that Tim Docker's minimal step sequencer [hbeat][] simply
makes a great example. I hope that wxHaskell offers a
platform-independent way to play sound.
* While editing the [Haskell Weekly News][hwn], Brent Yorgey wrote a
little command-line [program to gather newsworthy items][zipedit]. But
wouldn't a GUI be great? Since I'm only interested in the GUI, someone
would have to supply the feed parser for this example to be viable.
Maybe the current editor, Daniel Santa Cruz, might be interested?
* Notes of a musical performance can be modeled as event streams (MIDI),
as Henning Thielemann has [done with great effect][midi streams].
Surely, reactive-banana should be up to the task, but writing an
arpeggiator seems impossible at the moment.
[reactive-banana]: http://hackage.haskell.org/package/reactive-banana
[zipedit]: http://byorgey.wordpress.com/2008/06/21/zipedit/
[hbeat]: http://dockerz.net/twd/hBeat
[midi streams]: http://hackage.haskell.org/package/streamed
[hwn]: http://www.haskell.org/haskellwiki/Haskell_Weekly_News
Best regards,
Heinrich Apfelmus
--
http://apfelmus.nfshost.com
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