9 <code>def f(p1):</code>
10 <code> print p1;p1=2*p1 </code>
11 <code> return p1 </code>
13 <inport name="p1" type="string"/>
14 <outport name="p1" type="string"/>
17 <node name="node2" type="node1">
21 <control> <fromnode>node1</fromnode> <tonode>node2</tonode> </control>
25 <fromnode>node1</fromnode><fromport>p1</fromport>
26 <tonode>node2</tonode> <toport>p1</toport>
31 <tonode>node1</tonode> <toport>p1</toport>
32 <value><string>coucou</string></value>