tti/detail/dcomp_mem_fun_template.hpp

0001
0002 //  (C) Copyright Edward Diener 2019
0003 //  Use, modification and distribution are subject to the Boost Software License,
0004 //  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
0005 //  http://www.boost.org/LICENSE_1_0.txt).
0006
0007 #if !defined(BOOST_TTI_DETAIL_COMP_MEM_FUN_TEMPLATE_HPP)
0008 #define BOOST_TTI_DETAIL_COMP_MEM_FUN_TEMPLATE_HPP
0009
0010 #include <boost/mpl/bool.hpp>
0011 #include <boost/preprocessor/cat.hpp>
0012 #include <boost/preprocessor/array/enum.hpp>
0013 #include <boost/tti/detail/dftclass.hpp>
0014 #include <boost/tti/detail/dnullptr.hpp>
0015 #include <boost/tti/detail/dmacro_sunfix.hpp>
0016 #include <boost/tti/gen/namespace_gen.hpp>
0017 #include <boost/type_traits/remove_const.hpp>
0018 #include <boost/type_traits/detail/yes_no_type.hpp>
0019
0020 #define BOOST_TTI_DETAIL_TRAIT_HAS_COMP_MEMBER_FUNCTION_TEMPLATE(trait,name,tparray) \
0021   template<class BOOST_TTI_DETAIL_TP_T> \
0022   struct BOOST_PP_CAT(trait,_detail_hcmft) \
0023     { \
0024     template<class BOOST_TTI_DETAIL_TP_F> \
0025     struct cl_type : \
0026       boost::remove_const \
0027         < \
0028         typename BOOST_TTI_NAMESPACE::detail::class_type<BOOST_TTI_DETAIL_TP_F>::type \
0029         > \
0030       { \
0031       }; \
0032     \
0033     template<BOOST_TTI_DETAIL_TP_T> \
0034     struct helper BOOST_TTI_DETAIL_MACRO_SUNFIX ; \
0035     \
0036     template<class BOOST_TTI_DETAIL_TP_U> \
0037     static ::boost::type_traits::yes_type check(helper<&BOOST_TTI_DETAIL_TP_U::template name<BOOST_PP_ARRAY_ENUM(tparray)> > *); \
0038     \
0039     template<class BOOST_TTI_DETAIL_TP_U> \
0040     static ::boost::type_traits::no_type check(...); \
0041     \
0042     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; \
0043     }; \
0044 /**/
0045
0046 #endif // BOOST_TTI_DETAIL_COMP_MEM_FUN_TEMPLATE_HPP