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_ARRAY_POP_FRONT_HPP
13# define BOOST_PREPROCESSOR_ARRAY_POP_FRONT_HPP
14#
15# include <boost/preprocessor/arithmetic/dec.hpp>
16# include <boost/preprocessor/arithmetic/inc.hpp>
17# include <boost/preprocessor/array/elem.hpp>
18# include <boost/preprocessor/array/size.hpp>
19# include <boost/preprocessor/repetition/enum.hpp>
20# include <boost/preprocessor/repetition/deduce_z.hpp>
21#
22# /* BOOST_PP_ARRAY_POP_FRONT */
23#
24# define BOOST_PP_ARRAY_POP_FRONT(array) BOOST_PP_ARRAY_POP_FRONT_Z(BOOST_PP_DEDUCE_Z(), array)
25#
26# /* BOOST_PP_ARRAY_POP_FRONT_Z */
27#
28# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
29# define BOOST_PP_ARRAY_POP_FRONT_Z(z, array) BOOST_PP_ARRAY_POP_FRONT_I(z, BOOST_PP_ARRAY_SIZE(array), array)
30# else
31# define BOOST_PP_ARRAY_POP_FRONT_Z(z, array) BOOST_PP_ARRAY_POP_FRONT_Z_D(z, array)
32# define BOOST_PP_ARRAY_POP_FRONT_Z_D(z, array) BOOST_PP_ARRAY_POP_FRONT_I(z, BOOST_PP_ARRAY_SIZE(array), array)
33# endif
34#
35# define BOOST_PP_ARRAY_POP_FRONT_I(z, size, array) (BOOST_PP_DEC(size), (BOOST_PP_ENUM_ ## z(BOOST_PP_DEC(size), BOOST_PP_ARRAY_POP_FRONT_M, array)))
36# define BOOST_PP_ARRAY_POP_FRONT_M(z, n, data) BOOST_PP_ARRAY_ELEM(BOOST_PP_INC(n), data)
37#
38# endif
39

source code of boost/boost/preprocessor/array/pop_front.hpp