1 2 // (C) Copyright Edward Diener 2011,2012,2013 3 // Use, modification and distribution are subject to the Boost Software License, 4 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at 5 // http://www.boost.org/LICENSE_1_0.txt). 6 7 #if !defined(BOOST_TTI_DETAIL_COMP_MEM_FUN_HPP) 8 #define BOOST_TTI_DETAIL_COMP_MEM_FUN_HPP 9 10 #include <boost/mpl/bool.hpp> 11 #include <boost/preprocessor/cat.hpp> 12 #include <boost/tti/detail/dftclass.hpp> 13 #include <boost/tti/detail/dmacro_sunfix.hpp> 14 #include <boost/tti/detail/dnullptr.hpp> 15 #include <boost/tti/gen/namespace_gen.hpp> 16 #include <boost/type_traits/remove_const.hpp> 17 #include <boost/type_traits/detail/yes_no_type.hpp> 18 19 #define BOOST_TTI_DETAIL_TRAIT_HAS_COMP_MEMBER_FUNCTION(trait,name) \ 20 template<class BOOST_TTI_DETAIL_TP_T> \ 21 struct BOOST_PP_CAT(trait,_detail_hcmf) \ 22 { \ 23 template<class BOOST_TTI_DETAIL_TP_F> \ 24 struct cl_type : \ 25 boost::remove_const \ 26 < \ 27 typename BOOST_TTI_NAMESPACE::detail::class_type<BOOST_TTI_DETAIL_TP_F>::type \ 28 > \ 29 { \ 30 }; \ 31 \ 32 template<BOOST_TTI_DETAIL_TP_T> \ 33 struct helper BOOST_TTI_DETAIL_MACRO_SUNFIX ; \ 34 \ 35 template<class BOOST_TTI_DETAIL_TP_U> \ 36 static ::boost::type_traits::yes_type chkt(helper<&BOOST_TTI_DETAIL_TP_U::name> *); \ 37 \ 38 template<class BOOST_TTI_DETAIL_TP_U> \ 39 static ::boost::type_traits::no_type chkt(...); \ 40 \ 41 typedef boost::mpl::bool_<sizeof(chkt<typename cl_type<BOOST_TTI_DETAIL_TP_T>::type>(BOOST_TTI_DETAIL_NULLPTR))==sizeof(::boost::type_traits::yes_type)> type; \ 42 }; \ 43 /**/ 44 45 #endif // BOOST_TTI_DETAIL_COMP_MEM_FUN_HPP 46