Thank you all,<div><br></div><div>As you all pointed out, arrows are just not up to this without resorting to tricks such as timestamping.</div><div>I&#39;m gonna have a look at the Peakachu library now ( <meta http-equiv="content-type" content="text/html; charset=utf-8"><a href="http://hackage.haskell.org/packages/archive/peakachu/0.3.0/doc/html/FRP-Peakachu-Program.html">http://hackage.haskell.org/packages/archive/peakachu/0.3.0/doc/html/FRP-Peakachu-Program.html</a> ) (thanks Gergely!), it looks like a nice API and seems to match some ideas I had in mind.</div>
<div><br></div><div>Have a nice weekend!</div><div>Mathijs</div><div><br></div>