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_DETAIL_SEQUENCE_TO_SEQ_HPP)
8 #define BOOST_VMD_DETAIL_SEQUENCE_TO_SEQ_HPP
9 
10 #include <boost/preprocessor/control/expr_iif.hpp>
11 #include <boost/vmd/detail/modifiers.hpp>
12 #include <boost/vmd/detail/mods.hpp>
13 #include <boost/vmd/detail/not_empty.hpp>
14 #include <boost/vmd/detail/sequence_elem.hpp>
15 
16 #define BOOST_VMD_DETAIL_SEQUENCE_TO_SEQ(...) \
17     BOOST_PP_EXPR_IIF \
18         ( \
19         BOOST_VMD_DETAIL_NOT_EMPTY(BOOST_VMD_DETAIL_SEQUENCE_ELEM_GET_VSEQ(__VA_ARGS__)), \
20         BOOST_VMD_DETAIL_SEQUENCE_ELEM_PROCESS_TUPLE \
21             ( \
22             BOOST_VMD_DETAIL_SEQUENCE_ELEM_GET_VSEQ(__VA_ARGS__), \
23             , \
24             BOOST_VMD_TYPE_SEQ, \
25             BOOST_VMD_DETAIL_NEW_MODS(BOOST_VMD_ALLOW_RETURN,__VA_ARGS__) \
26             ) \
27         ) \
28 /**/
29 
30 #define BOOST_VMD_DETAIL_SEQUENCE_TO_SEQ_D(d,...) \
31     BOOST_PP_EXPR_IIF \
32         ( \
33         BOOST_VMD_DETAIL_NOT_EMPTY(BOOST_VMD_DETAIL_SEQUENCE_ELEM_GET_VSEQ(__VA_ARGS__)), \
34         BOOST_VMD_DETAIL_SEQUENCE_ELEM_PROCESS_TUPLE_D \
35             ( \
36             d, \
37             BOOST_VMD_DETAIL_SEQUENCE_ELEM_GET_VSEQ(__VA_ARGS__), \
38             , \
39             BOOST_VMD_TYPE_SEQ, \
40             BOOST_VMD_DETAIL_NEW_MODS_D(d,BOOST_VMD_ALLOW_RETURN,__VA_ARGS__) \
41             ) \
42         ) \
43 /**/
44 
45 #endif /* BOOST_VMD_DETAIL_SEQUENCE_TO_SEQ_HPP */
46