1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
# /* **************************************************************************
# * *
# * (C) Copyright Paul Mensonides 2002.
# * Distributed under 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)
# * *
# ************************************************************************** */
#
# /* See http://www.boost.org for most recent version. */
#
# ifndef BOOST_PREPROCESSOR_SEQ_FIRST_N_HPP
# define BOOST_PREPROCESSOR_SEQ_FIRST_N_HPP
#
# include <cutl/details/boost/preprocessor/config/config.hpp>
# include <cutl/details/boost/preprocessor/control/if.hpp>
# include <cutl/details/boost/preprocessor/seq/detail/split.hpp>
# include <cutl/details/boost/preprocessor/tuple/eat.hpp>
# include <cutl/details/boost/preprocessor/tuple/elem.hpp>
#
# /* BOOST_PP_SEQ_FIRST_N */
#
# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
# 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)))
# else
# define BOOST_PP_SEQ_FIRST_N(n, seq) BOOST_PP_SEQ_FIRST_N_I(n, seq)
# 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)))
# endif
#
# endif
|
