// 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
# include <boost/preprocessor/cat.hpp>
# include <boost/concept/detail/backward_compatibility.hpp>
# ifdef BOOST_OLD_CONCEPT_SUPPORT
# include <boost/concept/detail/has_constraints.hpp>
# include <boost/mpl/if.hpp>
# endif
namespace boost { namespace concepts {
template <class Model>
struct check
{
virtual void failed(Model* x)
{
x->~Model();
}
};
# ifndef BOOST_NO_PARTIAL_SPECIALIZATION
struct failed {};
template <class Model>
struct check<failed ************ Model::************>
{
virtual void failed(Model* x)
{
x->~Model();
}
};
# endif
# ifdef BOOST_OLD_CONCEPT_SUPPORT
namespace detail
{
// No need for a virtual function here, since evaluating
// not_satisfied below will have already instantiated the
// constraints() member.
struct constraint {};
}
template <class Model>
struct require
: mpl::if_c<
not_satisfied<Model>::value
, detail::constraint
# ifndef BOOST_NO_PARTIAL_SPECIALIZATION
, check<Model>
# else
, check<failed ************ Model::************>
# endif
>::type
{};
# else
template <class Model>
struct require
# ifndef BOOST_NO_PARTIAL_SPECIALIZATION
: check<Model>
# else
: check<failed ************ Model::************>
# endif
{};
# endif
# if BOOST_WORKAROUND(BOOST_MSVC, == 1310)
//
// The iterator library sees some really strange errors unless we
// do things this way.
//
template <class Model>
struct require<void(*)(Model)>
{
virtual void failed(Model*)
{
require<Model>();
}
};
# define BOOST_CONCEPT_ASSERT_FN( ModelFnPtr ) \
enum \
{ \
BOOST_PP_CAT(boost_concept_check,__LINE__) = \
sizeof(::boost::concepts::require<ModelFnPtr>) \
}
# else // Not vc-7.1
template <class Model>
require<Model>
require_(void(*)(Model));
# define BOOST_CONCEPT_ASSERT_FN( ModelFnPtr ) \
enum \
{ \
BOOST_PP_CAT(boost_concept_check,__LINE__) = \
sizeof(::boost::concepts::require_((ModelFnPtr)0)) \
}
# endif
}}
#endif // BOOST_CONCEPT_CHECK_MSVC_DWA2006429_HPP
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