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// (C) Copyright Edward Diener 2011,2012,2013
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// Use, modification and distribution are subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt).
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#if !defined(BOOST_TTI_DETAIL_MEM_TYPE_HPP)
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#define BOOST_TTI_DETAIL_MEM_TYPE_HPP
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#include <boost/config.hpp>
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#include <boost/mpl/bool.hpp>
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#include <boost/mpl/eval_if.hpp>
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#include <boost/mpl/has_xxx.hpp>
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#include <boost/preprocessor/cat.hpp>
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#include <boost/tti/detail/denclosing_type.hpp>
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#include <boost/tti/gen/namespace_gen.hpp>
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#define BOOST_TTI_DETAIL_TRAIT_HAS_TYPE_MEMBER_TYPE_OP(trait,name) \
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BOOST_MPL_HAS_XXX_TRAIT_NAMED_DEF(BOOST_PP_CAT(trait,_detail_member_type_mpl), name, false) \
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template<class BOOST_TTI_DETAIL_TP_T> \
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struct BOOST_PP_CAT(trait,_detail_member_type_op) : \
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BOOST_PP_CAT(trait,_detail_member_type_mpl)<BOOST_TTI_DETAIL_TP_T> \
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{ \
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}; \
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/**/
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#define BOOST_TTI_DETAIL_TRAIT_HAS_TYPE_MEMBER_TYPE(trait,name) \
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BOOST_TTI_DETAIL_TRAIT_HAS_TYPE_MEMBER_TYPE_OP(trait,name) \
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template<class BOOST_TTI_DETAIL_TP_T> \
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struct BOOST_PP_CAT(trait,_detail_has_type_member_type) \
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{ \
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typedef typename \
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boost::mpl::eval_if \
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< \
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BOOST_TTI_NAMESPACE::detail::enclosing_type<BOOST_TTI_DETAIL_TP_T>, \
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BOOST_PP_CAT(trait,_detail_member_type_op)<BOOST_TTI_DETAIL_TP_T>, \
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boost::mpl::false_ \
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>::type type; \
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\
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BOOST_STATIC_CONSTANT(bool,value=type::value); \
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}; \
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/**/
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#define BOOST_TTI_DETAIL_TRAIT_MEMBER_TYPE(trait,name) \
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template<class BOOST_TTI_DETAIL_TP_T> \
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struct BOOST_PP_CAT(trait,_detail_member_type) \
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{ \
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typedef typename BOOST_TTI_DETAIL_TP_T::name type; \
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}; \
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/**/
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#endif // BOOST_TTI_DETAIL_MEM_TYPE_HPP
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