src/test/new_graph_test.cc
changeset 946 c94ef40a22ce
child 959 c80ef5912903
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/test/new_graph_test.cc	Wed Oct 27 22:38:50 2004 +0000
     1.3 @@ -0,0 +1,39 @@
     1.4 +/* -*- C++ -*-
     1.5 + * src/test/new_graph_test.cc - Part of LEMON, a generic C++ optimization library
     1.6 + *
     1.7 + * Copyright (C) 2004 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
     1.8 + * (Egervary Combinatorial Optimization Research Group, EGRES).
     1.9 + *
    1.10 + * Permission to use, modify and distribute this software is granted
    1.11 + * provided that this copyright notice appears in all copies. For
    1.12 + * precise terms see the accompanying LICENSE file.
    1.13 + *
    1.14 + * This software is provided "AS IS" with no warranty of any kind,
    1.15 + * express or implied, and with no claim as to its suitability for any
    1.16 + * purpose.
    1.17 + *
    1.18 + */
    1.19 +
    1.20 +#include <lemon/skeletons/graph.h>
    1.21 +// #include <boost/concept_check.hpp>
    1.22 +
    1.23 +using namespace lemon::skeleton;
    1.24 +
    1.25 +// Borrowed from boost:
    1.26 +template <class T> inline void ignore_unused_variable_warning(const T&) { }
    1.27 +
    1.28 +int main()
    1.29 +{
    1.30 +  //    This is the "right" way to check a concept:
    1.31 +  // boost::function_requires< BaseGraphItemConcept<BaseGraphItem> >();
    1.32 +
    1.33 +  //    which is equivalent (considering compile-time checks) to
    1.34 +  // BaseGraphItemConcept<BaseGraphItem> bgic;
    1.35 +  // bgic.constraints();
    1.36 +  //    but not actually call or intatiates anything...
    1.37 +  //    It's doing aproximately this:
    1.38 +  typedef BaseGraphItemConcept<BaseGraphItem> CC;
    1.39 +  void (CC::*x)() = &CC::constraints;
    1.40 +  ignore_unused_variable_warning(x);
    1.41 +  //    But even more hackish...
    1.42 +}