boost/vmd/size.hpp

0001
0002 //  (C) Copyright Edward Diener 2011-2015
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_VMD_SIZE_HPP)
0008 #define BOOST_VMD_SIZE_HPP
0009
0010 #include <boost/vmd/detail/setup.hpp>
0011
0012 #if BOOST_PP_VARIADICS
0013
0014 #include <boost/vmd/detail/sequence_size.hpp>
0015
0016 /*
0017
0018   The succeeding comments in this file are in doxygen format.
0019
0020 */
0021
0022 /** \file
0023 */
0024
0025 /** \def BOOST_VMD_SIZE(sequence)
0026
0027     \brief Returns the size of a sequence.
0028
0029     sequence  = A sequence to test.
0030
0031     returns   = If the sequence is empty returns 0, else returns the number of elements
0032                 in the sequence.
0033
0034 */
0035
0036 #define BOOST_VMD_SIZE(sequence) \
0037     BOOST_VMD_DETAIL_SEQUENCE_SIZE(sequence) \
0038 /**/
0039
0040 /** \def BOOST_VMD_SIZE_D(d,sequence)
0041
0042     \brief Returns the size of a sequence. Re-entrant version.
0043
0044     d         = The next available BOOST_PP_WHILE iteration. <br/>
0045     sequence  = A sequence to test.
0046
0047     returns   = If the sequence is empty returns 0, else returns the number of elements
0048                 in the sequence.
0049
0050 */
0051
0052 #define BOOST_VMD_SIZE_D(d,sequence) \
0053     BOOST_VMD_DETAIL_SEQUENCE_SIZE_D(d,sequence) \
0054 /**/
0055
0056 #endif /* BOOST_PP_VARIADICS */
0057 #endif /* BOOST_VMD_SIZE_HPP */