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90 lines
2.1 KiB
90 lines
2.1 KiB
// 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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