// Copyright David Abrahams 2006. Distributed under the Boost // Software License, Version 1.0. (See accompanying // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) #ifndef BOOST_CONCEPT_CHECK_MSVC_DWA2006429_HPP # define BOOST_CONCEPT_CHECK_MSVC_DWA2006429_HPP # ifdef BOOST_OLD_CONCEPT_SUPPORT # include <boost/concept_check/has_constraints.hpp> # include <boost/type_traits/conditional.hpp> # endif namespace boost { namespace concept_checking { template <class Model> struct concept_check_ { virtual void failed(Model* x) { x->~Model(); } }; } # ifdef BOOST_OLD_CONCEPT_SUPPORT namespace concept_checking { template <class Model> struct constraint_check { virtual void failed(Model* x) { x->constraints(); } }; } template <class Model> struct concept_check : conditional< concept_checking::has_constraints<Model>::value , concept_checking::constraint_check<Model> , concept_checking::concept_check_<Model> >::type {}; # else template <class Model> struct concept_check : concept_checking::concept_check_<Model> {}; # endif # if BOOST_WORKAROUND(BOOST_MSVC, == 1310) // // The iterator library sees some really strange errors unless we // use partial specialization to extract the model type with // msvc-7.1 // template <class Model> struct concept_check<void(*)(Model)> : concept_check<Model> { }; # define BOOST_CONCEPT_ASSERT( ModelInParens ) \ enum { BOOST_PP_CAT(boost_concept_check,__LINE__) = \ sizeof(::boost::concept_check<void(*) ModelInParens>) \ } # else template <class Model> concept_check<Model> concept_check_(void(*)(Model)); # define BOOST_CONCEPT_ASSERT( ModelInParens ) \ enum { BOOST_PP_CAT(boost_concept_check,__LINE__) = \ sizeof(::boost::concept_check_((void(*) ModelInParens)0)) \ } # endif } #endif // BOOST_CONCEPT_CHECK_MSVC_DWA2006429_HPP