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_REPLACE_HPP
13# define BOOST_PREPROCESSOR_SEQ_REPLACE_HPP
14#
15# include <boost/preprocessor/arithmetic/dec.hpp>
16# include <boost/preprocessor/arithmetic/inc.hpp>
17# include <boost/preprocessor/config/config.hpp>
18# include <boost/preprocessor/comparison/equal.hpp>
19# include <boost/preprocessor/control/iif.hpp>
20# include <boost/preprocessor/seq/first_n.hpp>
21# include <boost/preprocessor/seq/rest_n.hpp>
22# include <boost/preprocessor/seq/size.hpp>
23#
24# /* BOOST_PP_SEQ_REPLACE */
25#
26# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
27# define BOOST_PP_SEQ_REPLACE(seq, i, elem) BOOST_PP_SEQ_FIRST_N(i, seq) (elem) BOOST_PP_SEQ_REPLACE_DETAIL_REST(seq, i)
28# else
29# define BOOST_PP_SEQ_REPLACE(seq, i, elem) BOOST_PP_SEQ_REPLACE_I(seq, i, elem)
30# define BOOST_PP_SEQ_REPLACE_I(seq, i, elem) BOOST_PP_SEQ_FIRST_N(i, seq) (elem) BOOST_PP_SEQ_REPLACE_DETAIL_REST(seq, i)
31# endif
32#
33# define BOOST_PP_SEQ_REPLACE_DETAIL_REST_EMPTY(seq, i)
34# define BOOST_PP_SEQ_REPLACE_DETAIL_REST_VALID(seq, i) BOOST_PP_SEQ_REST_N(BOOST_PP_INC(i), seq)
35# define BOOST_PP_SEQ_REPLACE_DETAIL_REST(seq, i) \
36 BOOST_PP_IIF \
37 ( \
38 BOOST_PP_EQUAL(i,BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(seq))), \
39 BOOST_PP_SEQ_REPLACE_DETAIL_REST_EMPTY, \
40 BOOST_PP_SEQ_REPLACE_DETAIL_REST_VALID \
41 ) \
42 (seq, i) \
43/**/
44#
45# endif
46

source code of boost/boost/preprocessor/seq/replace.hpp