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).
7 #if !defined(BOOST_VMD_SEQ_TO_LIST_HPP)
8 #define BOOST_VMD_SEQ_TO_LIST_HPP
10 #include <boost/vmd/detail/setup.hpp>
12 #if BOOST_PP_VARIADICS
14 #include <boost/preprocessor/control/iif.hpp>
15 #include <boost/preprocessor/seq/to_list.hpp>
16 // #include <boost/vmd/identity.hpp>
17 #include <boost/vmd/is_empty.hpp>
21 The succeeding comments in this file are in doxygen format.
28 /** \def BOOST_VMD_SEQ_TO_LIST(seq)
30 \brief converts a seq to a list.
32 seq = seq to be converted.
34 If the seq is an empty seq it is converted to an empty list (BOOST_PP_NIL).
35 Otherwise the seq is converted to a list with the same number of elements as the seq.
39 #define BOOST_VMD_SEQ_TO_LIST(seq) \
42 BOOST_VMD_IS_EMPTY(seq), \
43 BOOST_VMD_SEQ_TO_LIST_PE, \
44 BOOST_VMD_SEQ_TO_LIST_NPE \
48 #define BOOST_VMD_SEQ_TO_LIST_PE(seq) BOOST_PP_NIL
50 #define BOOST_VMD_SEQ_TO_LIST_NPE(seq) BOOST_PP_SEQ_TO_LIST(seq)
53 #define BOOST_VMD_SEQ_TO_LIST(seq) \
56 BOOST_VMD_IS_EMPTY(seq), \
57 BOOST_VMD_IDENTITY(BOOST_PP_NIL), \
58 BOOST_PP_SEQ_TO_LIST \
64 #endif /* BOOST_PP_VARIADICS */
65 #endif /* BOOST_VMD_SEQ_TO_LIST_HPP */