On Tue, Dec 27, 2011 at 3:54 AM, Tim Baumgartner <baumgartner.tim@googlemail.com> wrote:
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> Hi Haskellers!
>
> I'm writing my first non-trivial Haskell application. I have an electronic drum set that generates MIDI events that I process with Haskell. A simple application of this kind might have fixed drums associated with fixed commands (I've done that).

[...]
>
>
> Currently I'm using a monad that combines Parsec (with MIDI event stream) and a Writer (that writes commands that should result in IO). It's done in a way that during running the monad, many parses can be done and failing parses roll back the parser state so that a new parse can be tried.
>

 
Care to share your code?

amindfv / Tom