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_TRANSFORM_HPP
13# define BOOST_PREPROCESSOR_SEQ_TRANSFORM_HPP
14#
15# include <boost/preprocessor/config/config.hpp>
16# include <boost/preprocessor/seq/fold_left.hpp>
17# include <boost/preprocessor/seq/seq.hpp>
18# include <boost/preprocessor/tuple/elem.hpp>
19# include <boost/preprocessor/tuple/rem.hpp>
20#
21# /* BOOST_PP_SEQ_TRANSFORM */
22#
23# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
24# define BOOST_PP_SEQ_TRANSFORM(op, data, seq) BOOST_PP_SEQ_TAIL(BOOST_PP_TUPLE_ELEM(3, 2, BOOST_PP_SEQ_FOLD_LEFT(BOOST_PP_SEQ_TRANSFORM_O, (op, data, (nil)), seq)))
25# else
26# define BOOST_PP_SEQ_TRANSFORM(op, data, seq) BOOST_PP_SEQ_TRANSFORM_I(op, data, seq)
27# define BOOST_PP_SEQ_TRANSFORM_I(op, data, seq) BOOST_PP_SEQ_TAIL(BOOST_PP_TUPLE_ELEM(3, 2, BOOST_PP_SEQ_FOLD_LEFT(BOOST_PP_SEQ_TRANSFORM_O, (op, data, (nil)), seq)))
28# endif
29#
30# if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
31# define BOOST_PP_SEQ_TRANSFORM_O(s, state, elem) BOOST_PP_SEQ_TRANSFORM_O_IM(s, BOOST_PP_TUPLE_REM_3 state, elem)
32# define BOOST_PP_SEQ_TRANSFORM_O_IM(s, im, elem) BOOST_PP_SEQ_TRANSFORM_O_I(s, im, elem)
33# else
34# define BOOST_PP_SEQ_TRANSFORM_O(s, state, elem) BOOST_PP_SEQ_TRANSFORM_O_I(s, BOOST_PP_TUPLE_ELEM(3, 0, state), BOOST_PP_TUPLE_ELEM(3, 1, state), BOOST_PP_TUPLE_ELEM(3, 2, state), elem)
35# endif
36#
37# define BOOST_PP_SEQ_TRANSFORM_O_I(s, op, data, res, elem) (op, data, res (op(s, data, elem)))
38#
39# /* BOOST_PP_SEQ_TRANSFORM_S */
40#
41# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
42# define BOOST_PP_SEQ_TRANSFORM_S(s, op, data, seq) BOOST_PP_SEQ_TAIL(BOOST_PP_TUPLE_ELEM(3, 2, BOOST_PP_SEQ_FOLD_LEFT_ ## s(BOOST_PP_SEQ_TRANSFORM_O, (op, data, (nil)), seq)))
43# else
44# define BOOST_PP_SEQ_TRANSFORM_S(s, op, data, seq) BOOST_PP_SEQ_TRANSFORM_S_I(s, op, data, seq)
45# define BOOST_PP_SEQ_TRANSFORM_S_I(s, op, data, seq) BOOST_PP_SEQ_TAIL(BOOST_PP_TUPLE_ELEM(3, 2, BOOST_PP_SEQ_FOLD_LEFT_ ## s(BOOST_PP_SEQ_TRANSFORM_O, (op, data, (nil)), seq)))
46# endif
47#
48# endif
49

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