# /* Copyright (C) 2001

 #  * Housemarque Oy

 #  * http://www.housemarque.com

 #  *

 #  * 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.

 #  */

 #

 # /* Revised by Paul Mensonides (2002) */

 #

 # ifndef BOOST_PREPROCESSOR_LIST_ADT_HPP

 # define BOOST_PREPROCESSOR_LIST_ADT_HPP

 #

 # include <boost/preprocessor/config/config.hpp>

 # include <boost/preprocessor/detail/is_binary.hpp>

 # include <boost/preprocessor/logical/compl.hpp>

 # include <boost/preprocessor/tuple/eat.hpp>

 #

 # /* BOOST_PP_LIST_CONS */

 #

 # define BOOST_PP_LIST_CONS(head, tail) (head, tail)

 #

 # /* BOOST_PP_LIST_NIL */

 #

 # define BOOST_PP_LIST_NIL BOOST_PP_NIL

 #

 # /* BOOST_PP_LIST_FIRST */

 #

 # define BOOST_PP_LIST_FIRST(list) BOOST_PP_LIST_FIRST_D(list)

 #

 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()

 #    define BOOST_PP_LIST_FIRST_D(list) BOOST_PP_LIST_FIRST_I list

 # else

 #    define BOOST_PP_LIST_FIRST_D(list) BOOST_PP_LIST_FIRST_I ## list

 # endif

 #

 # define BOOST_PP_LIST_FIRST_I(head, tail) head

 #

 # /* BOOST_PP_LIST_REST */

 #

 # define BOOST_PP_LIST_REST(list) BOOST_PP_LIST_REST_D(list)

 #

 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()

 #    define BOOST_PP_LIST_REST_D(list) BOOST_PP_LIST_REST_I list

 # else

 #    define BOOST_PP_LIST_REST_D(list) BOOST_PP_LIST_REST_I ## list

 # endif

 #

 # define BOOST_PP_LIST_REST_I(head, tail) tail

 #

 # /* BOOST_PP_LIST_IS_CONS */

 #

 # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_BCC()

 #    define BOOST_PP_LIST_IS_CONS(list) BOOST_PP_LIST_IS_CONS_D(list)

 #    define BOOST_PP_LIST_IS_CONS_D(list) BOOST_PP_LIST_IS_CONS_ ## list

 #    define BOOST_PP_LIST_IS_CONS_(head, tail) 1

 #    define BOOST_PP_LIST_IS_CONS_BOOST_PP_NIL 0

 # else

 #    define BOOST_PP_LIST_IS_CONS(list) BOOST_PP_IS_BINARY(list)

 # endif

 #

 # /* BOOST_PP_LIST_IS_NIL */

 #

 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_BCC()

 #    define BOOST_PP_LIST_IS_NIL(list) BOOST_PP_COMPL(BOOST_PP_IS_BINARY(list))

 # else

 #    define BOOST_PP_LIST_IS_NIL(list) BOOST_PP_COMPL(BOOST_PP_LIST_IS_CONS(list))

 # endif

 #

 # endif