Ticket #294: testgraph.cc

#include <lemon/list_graph.h>

#include <boost/concept_check.hpp>
#include <lemon/concept_check.h>

namespace boost {
  void f() {
    lemon::ListGraph g; // any class in lemon namespace
    ignore_unused_variable_warning(g);
  }
  
} // namespace boost

int main(int argc, char **argv) {
  return 0;
}