Just found it! It is pretty much what I was looking for,<br><br><div class="gmail_quote">On Thu, Sep 9, 2010 at 10:08, Wolfgang Jeltsch <span dir="ltr">&lt;<a href="mailto:g9ks157k@acme.softbase.org">g9ks157k@acme.softbase.org</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">Am Mittwoch, den 08.09.2010, 11:47 -0300 schrieb Rafael Gustavo da Cunha<br>
Pereira Pinto:<br>
<div class="im">&gt; The input and output are  infinite streams. I have a few questions:<br>
&gt;<br>
&gt; 1) Is it possible to change it to use arrows? How would it look like?<br>
&gt; 2) How would one implement an continuous time version?<br>
<br>
</div>Have you had a look at Yampa?<br>
<br>
Best wishes,<br>
Wolfgang<br>
<br>
<br>
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</blockquote></div><br><br clear="all"><br>-- <br>Rafael Gustavo da Cunha Pereira Pinto<br><br>