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