1 2 // (C) Copyright Edward Diener 2015 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 #include <boost/vmd/tuple/pop_back.hpp> 8 #include <boost/vmd/is_empty.hpp> 9 #include <boost/preprocessor/tuple/elem.hpp> 10 #include <boost/preprocessor/tuple/size.hpp> 11 #include <boost/detail/lightweight_test.hpp> 12 main()13int main() 14 { 15 16 #if BOOST_PP_VARIADICS 17 18 #define A_TUPLE (1,2,3,4) 19 #define AN_SE_TUPLE (1) 20 21 BOOST_TEST_EQ(BOOST_PP_TUPLE_ELEM(2,BOOST_VMD_TUPLE_POP_BACK(A_TUPLE)),3); 22 BOOST_TEST_EQ(BOOST_PP_TUPLE_SIZE(BOOST_VMD_TUPLE_POP_BACK(A_TUPLE)),3); 23 BOOST_TEST(BOOST_VMD_IS_EMPTY(BOOST_VMD_TUPLE_POP_BACK(AN_SE_TUPLE))); 24 25 #else 26 27 BOOST_ERROR("No variadic macro support"); 28 29 #endif 30 31 return boost::report_errors(); 32 33 } 34