source: lemon-0.x/src/test/new_graph_test.cc @ 959:c80ef5912903

/* -*- C++ -*-
 * src/test/new_graph_test.cc - Part of LEMON, a generic C++ optimization library
 *
 * Copyright (C) 2004 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
 * (Egervary Combinatorial Optimization Research Group, EGRES).
 *
 * Permission to use, modify and distribute this software is granted
 * provided that this copyright notice appears in all copies. For
 * precise terms see the accompanying LICENSE file.
 *
 * This software is provided "AS IS" with no warranty of any kind,
 * express or implied, and with no claim as to its suitability for any
 * purpose.
 *
 */

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

using namespace lemon::concept;

// Borrowed from boost:
template <class T> inline void ignore_unused_variable_warning(const T&) { }

int main()
{
  //    This is the "right" way to check a concept:
  // boost::function_requires< BaseGraphItemConcept<BaseGraphItem> >();

  //    which is equivalent (considering compile-time checks) to
  // BaseGraphItemConcept<BaseGraphItem> bgic;
  // bgic.constraints();
  //    but not actually call or intatiates anything...
  //    It's doing aproximately this:
  typedef BaseGraphItemConcept<BaseGraphItem> CC;
  void (CC::*x)() = &CC::constraints;
  ignore_unused_variable_warning(x);
  //    But even more hackish...
}