tti/detail/dcomp_mem_fun.hpp

0001
0002 //  (C) Copyright Edward Diener 2011,2012,2013
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_HPP)
0008 #define BOOST_TTI_DETAIL_COMP_MEM_FUN_HPP
0009
0010 #include <boost/mpl/bool.hpp>
0011 #include <boost/preprocessor/cat.hpp>
0012 #include <boost/tti/detail/dftclass.hpp>
0013 #include <boost/tti/detail/dmacro_sunfix.hpp>
0014 #include <boost/tti/detail/dnullptr.hpp>
0015 #include <boost/tti/gen/namespace_gen.hpp>
0016 #include <boost/type_traits/remove_const.hpp>
0017 #include <boost/type_traits/detail/yes_no_type.hpp>
0018
0019 #define BOOST_TTI_DETAIL_TRAIT_HAS_COMP_MEMBER_FUNCTION(trait,name) \
0020   template<class BOOST_TTI_DETAIL_TP_T> \
0021   struct BOOST_PP_CAT(trait,_detail_hcmf) \
0022     { \
0023     template<class BOOST_TTI_DETAIL_TP_F> \
0024     struct cl_type : \
0025       boost::remove_const \
0026         < \
0027         typename BOOST_TTI_NAMESPACE::detail::class_type<BOOST_TTI_DETAIL_TP_F>::type \
0028         > \
0029       { \
0030       }; \
0031     \
0032     template<BOOST_TTI_DETAIL_TP_T> \
0033     struct helper BOOST_TTI_DETAIL_MACRO_SUNFIX ; \
0034     \
0035     template<class BOOST_TTI_DETAIL_TP_U> \
0036     static ::boost::type_traits::yes_type chkt(helper<&BOOST_TTI_DETAIL_TP_U::name> *); \
0037     \
0038     template<class BOOST_TTI_DETAIL_TP_U> \
0039     static ::boost::type_traits::no_type chkt(...); \
0040     \
0041     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; \
0042     }; \
0043 /**/
0044
0045 #endif // BOOST_TTI_DETAIL_COMP_MEM_FUN_HPP