boost/vmd/is_seq.hpp
// (C) Copyright Edward Diener 2011-2015 // Use, modification and distribution are subject to the Boost Software License, // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at // http://www.boost.org/LICENSE_1_0.txt). #if !defined(BOOST_VMD_IS_SEQ_HPP) #define BOOST_VMD_IS_SEQ_HPP #include <boost/vmd/detail/setup.hpp> #if BOOST_PP_VARIADICS #include <boost/vmd/detail/is_seq.hpp> /* The succeeding comments in this file are in doxygen format. */ /** \file */ /** \def BOOST_VMD_IS_SEQ(sequence) \brief Determines if a sequence is a Boost PP seq. The macro checks that the sequence is a Boost PP seq. It returns 1 if it is a seq, else if returns 0. sequence = a possible Boost PP seq returns = 1 if it a seq, else returns 0. A single set of parentheses, with a single element, is parsed as a tuple and not a seq. To be parsed as a seq the input needs to be more than one consecutive sets of parentheses, each with a single element of data. */ #define BOOST_VMD_IS_SEQ(sequence) \ BOOST_VMD_DETAIL_IS_SEQ(sequence) \ /**/ /** \def BOOST_VMD_IS_SEQ_D(d,sequence) \brief Determines if a sequence is a Boost PP seq. Re-entrant version. The macro checks that the sequence is a Boost PP seq. It returns 1 if it is a seq, else if returns 0. d = The next available BOOST_PP_WHILE iteration. sequence = a possible Boost PP seq returns = 1 if it a seq, else returns 0. A single set of parentheses, with a single element, is parsed as a tuple and not a seq. To be parsed as a seq the input needs to be more than one consecutive sets of parentheses, each with a single element of data. */ #define BOOST_VMD_IS_SEQ_D(d,sequence) \ BOOST_VMD_DETAIL_IS_SEQ_D(d,sequence) \ /**/ #endif /* BOOST_PP_VARIADICS */ #endif /* BOOST_VMD_IS_SEQ_HPP */