1 2 // (C) Copyright Edward Diener 2011-2015 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 #if !defined(BOOST_VMD_IS_TUPLE_HPP) 8 #define BOOST_VMD_IS_TUPLE_HPP 9 10 #include <boost/vmd/detail/setup.hpp> 11 12 #if BOOST_PP_VARIADICS 13 14 #include <boost/vmd/detail/is_tuple.hpp> 15 16 /* 17 18 The succeeding comments in this file are in doxygen format. 19 20 */ 21 22 /** \file 23 */ 24 25 /** \def BOOST_VMD_IS_TUPLE(sequence) 26 27 \brief Tests whether a sequence is a Boost PP tuple. 28 29 The macro checks to see if a sequence is a Boost PP tuple. 30 A Boost PP tuple is preprocessor tokens enclosed by a set of parentheses 31 with no preprocessing tokens before or after the parentheses. 32 33 sequence = a possible tuple 34 35 returns = 1 if the sequence is a Boost PP tuple, 36 0 if it is not. 37 38 */ 39 40 #define BOOST_VMD_IS_TUPLE(sequence) \ 41 BOOST_VMD_DETAIL_IS_TUPLE(sequence) \ 42 /**/ 43 44 #endif /* BOOST_PP_VARIADICS */ 45 #endif /* BOOST_VMD_IS_TUPLE_HPP */ 46