1 2 // (C) Copyright Edward Diener 2019 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_TEMPLATE_HPP) 8 #define BOOST_TTI_DETAIL_COMP_MEM_FUN_TEMPLATE_HPP 9 10 #include <boost/mpl/bool.hpp> 11 #include <boost/preprocessor/cat.hpp> 12 #include <boost/preprocessor/array/enum.hpp> 13 #include <boost/tti/detail/dftclass.hpp> 14 #include <boost/tti/detail/dnullptr.hpp> 15 #include <boost/tti/detail/dmacro_sunfix.hpp> 16 #include <boost/tti/gen/namespace_gen.hpp> 17 #include <boost/type_traits/remove_const.hpp> 18 #include <boost/type_traits/detail/yes_no_type.hpp> 19 20 #define BOOST_TTI_DETAIL_TRAIT_HAS_COMP_MEMBER_FUNCTION_TEMPLATE(trait,name,tparray) \ 21 template<class BOOST_TTI_DETAIL_TP_T> \ 22 struct BOOST_PP_CAT(trait,_detail_hcmft) \ 23 { \ 24 template<class BOOST_TTI_DETAIL_TP_F> \ 25 struct cl_type : \ 26 boost::remove_const \ 27 < \ 28 typename BOOST_TTI_NAMESPACE::detail::class_type<BOOST_TTI_DETAIL_TP_F>::type \ 29 > \ 30 { \ 31 }; \ 32 \ 33 template<BOOST_TTI_DETAIL_TP_T> \ 34 struct helper BOOST_TTI_DETAIL_MACRO_SUNFIX ; \ 35 \ 36 template<class BOOST_TTI_DETAIL_TP_U> \ 37 static ::boost::type_traits::yes_type check(helper<&BOOST_TTI_DETAIL_TP_U::template name<BOOST_PP_ARRAY_ENUM(tparray)> > *); \ 38 \ 39 template<class BOOST_TTI_DETAIL_TP_U> \ 40 static ::boost::type_traits::no_type check(...); \ 41 \ 42 typedef boost::mpl::bool_<sizeof(check<typename cl_type<BOOST_TTI_DETAIL_TP_T>::type>(BOOST_TTI_DETAIL_NULLPTR))==sizeof(::boost::type_traits::yes_type)> type; \ 43 }; \ 44 /**/ 45 46 #endif // BOOST_TTI_DETAIL_COMP_MEM_FUN_TEMPLATE_HPP 47