diff -r 174490f545f8 -r 751ed145bdae src/work/marci/merge_node_graph_wrapper_test.cc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/work/marci/merge_node_graph_wrapper_test.cc	Tue Sep 28 13:45:39 2004 +0000
@@ -0,0 +1,26 @@
+#include <iostream>
+
+#include <hugo/list_graph.h>
+#include <hugo/smart_graph.h>
+#include <merge_node_graph_wrapper.h>
+
+using std::cout;
+using std::endl;
+
+using namespace hugo;
+
+int main() {
+  SmartGraph g;
+  ListGraph h;
+  typedef MergeNodeGraphWrapper<SmartGraph, ListGraph> GW;
+  GW gw(g, h);
+  g.addNode();
+  g.addNode();
+  g.addNode();
+  h.addNode();
+  h.addNode();
+  //GW::NodeIt n(gw)
+  for (GW::NodeIt n(gw); n!=INVALID; ++n) { 
+    cout << gw.id(n) << endl;
+  }
+}