diff options
Diffstat (limited to 'boost/vmd/is_array.hpp')
-rw-r--r-- | boost/vmd/is_array.hpp | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/boost/vmd/is_array.hpp b/boost/vmd/is_array.hpp new file mode 100644 index 0000000000..fc9cf4708e --- /dev/null +++ b/boost/vmd/is_array.hpp @@ -0,0 +1,73 @@ + +// (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_ARRAY_HPP) +#define BOOST_VMD_IS_ARRAY_HPP + +#include <boost/vmd/detail/setup.hpp> + +#if BOOST_PP_VARIADICS + +#include <boost/vmd/detail/is_array.hpp> + +/* + + The succeeding comments in this file are in doxygen format. + +*/ + +/** \file +*/ + +/** \def BOOST_VMD_IS_ARRAY(sequence) + + \brief Determines if a sequence is a Boost PP array. + + The macro checks that the sequence is a Boost PP array. + It returns 1 if it is an array, else if returns 0. + + sequence = a possible Boost PP array. + + returns = 1 if it is an array, else returns 0. + + The macro will generate a preprocessing error if the input + is in the form of an array but its first tuple element, instead + of being a number, is a preprocessor token which VMD cannot parse, + as in the example '(&2,(0,1))' which is a valid tuple but an invalid + array. + +*/ + +#define BOOST_VMD_IS_ARRAY(sequence) \ + BOOST_VMD_DETAIL_IS_ARRAY(sequence) \ +/**/ + +/** \def BOOST_VMD_IS_ARRAY_D(d,sequence) + + \brief Determines if a sequence is a Boost PP array. Re-entrant version. + + The macro checks that the sequence is a Boost PP array. + It returns 1 if it is an array, else if returns 0. + + d = The next available BOOST_PP_WHILE iteration. + sequence = a possible Boost PP array. + + returns = 1 if it is an array, else returns 0. + + The macro will generate a preprocessing error if the input + is in the form of an array but its first tuple element, instead + of being a number, is a preprocessor token which VMD cannot parse, + as in the example '(&2,(0,1))' which is a valid tuple but an invalid + array. + +*/ + +#define BOOST_VMD_IS_ARRAY_D(d,sequence) \ + BOOST_VMD_DETAIL_IS_ARRAY_D(d,sequence) \ +/**/ + +#endif /* BOOST_PP_VARIADICS */ +#endif /* BOOST_VMD_IS_ARRAY_HPP */ |