source:
vendors/XIOS/current/extern/boost/include/boost/preprocessor/seq/first_n.hpp
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3428
Last change on this file since 3428 was 3428, checked in by rblod, 12 years ago | |
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1 | # /* ************************************************************************** |
2 | # * * |
3 | # * (C) Copyright Paul Mensonides 2002. |
4 | # * Distributed under the Boost Software License, Version 1.0. (See |
5 | # * accompanying file LICENSE_1_0.txt or copy at |
6 | # * http://www.boost.org/LICENSE_1_0.txt) |
7 | # * * |
8 | # ************************************************************************** */ |
9 | # |
10 | # /* See http://www.boost.org for most recent version. */ |
11 | # |
12 | # ifndef BOOST_PREPROCESSOR_SEQ_FIRST_N_HPP |
13 | # define BOOST_PREPROCESSOR_SEQ_FIRST_N_HPP |
14 | # |
15 | # include <boost/preprocessor/config/config.hpp> |
16 | # include <boost/preprocessor/control/if.hpp> |
17 | # include <boost/preprocessor/seq/detail/split.hpp> |
18 | # include <boost/preprocessor/tuple/eat.hpp> |
19 | # include <boost/preprocessor/tuple/elem.hpp> |
20 | # |
21 | # /* BOOST_PP_SEQ_FIRST_N */ |
22 | # |
23 | # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() |
24 | # define BOOST_PP_SEQ_FIRST_N(n, seq) BOOST_PP_IF(n, BOOST_PP_TUPLE_ELEM, BOOST_PP_TUPLE_EAT_3)(2, 0, BOOST_PP_SEQ_SPLIT(n, seq (nil))) |
25 | # else |
26 | # define BOOST_PP_SEQ_FIRST_N(n, seq) BOOST_PP_SEQ_FIRST_N_I(n, seq) |
27 | # define BOOST_PP_SEQ_FIRST_N_I(n, seq) BOOST_PP_IF(n, BOOST_PP_TUPLE_ELEM, BOOST_PP_TUPLE_EAT_3)(2, 0, BOOST_PP_SEQ_SPLIT(n, seq (nil))) |
28 | # endif |
29 | # |
30 | # endif |
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