williamr@2: # /* **************************************************************************
williamr@2: #  *                                                                          *
williamr@2: #  *     (C) Copyright Paul Mensonides 2002.
williamr@2: #  *     Distributed under the Boost Software License, Version 1.0. (See
williamr@2: #  *     accompanying file LICENSE_1_0.txt or copy at
williamr@2: #  *     http://www.boost.org/LICENSE_1_0.txt)
williamr@2: #  *                                                                          *
williamr@2: #  ************************************************************************** */
williamr@2: #
williamr@2: # /* See http://www.boost.org for most recent version. */
williamr@2: #
williamr@2: # ifndef BOOST_PREPROCESSOR_SEQ_SEQ_HPP
williamr@2: # define BOOST_PREPROCESSOR_SEQ_SEQ_HPP
williamr@2: #
williamr@2: # include <boost/preprocessor/config/config.hpp>
williamr@2: # include <boost/preprocessor/seq/elem.hpp>
williamr@2: #
williamr@2: # /* BOOST_PP_SEQ_HEAD */
williamr@2: #
williamr@2: # define BOOST_PP_SEQ_HEAD(seq) BOOST_PP_SEQ_ELEM(0, seq)
williamr@2: #
williamr@2: # /* BOOST_PP_SEQ_TAIL */
williamr@2: #
williamr@2: # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()
williamr@2: #    define BOOST_PP_SEQ_TAIL(seq) BOOST_PP_SEQ_TAIL_1((seq))
williamr@2: #    define BOOST_PP_SEQ_TAIL_1(par) BOOST_PP_SEQ_TAIL_2 ## par
williamr@2: #    define BOOST_PP_SEQ_TAIL_2(seq) BOOST_PP_SEQ_TAIL_I ## seq
williamr@2: # elif BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC()
williamr@2: #    define BOOST_PP_SEQ_TAIL(seq) BOOST_PP_SEQ_TAIL_ID(BOOST_PP_SEQ_TAIL_I seq)
williamr@2: #    define BOOST_PP_SEQ_TAIL_ID(id) id
williamr@2: # elif BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
williamr@2: #    define BOOST_PP_SEQ_TAIL(seq) BOOST_PP_SEQ_TAIL_D(seq)
williamr@2: #    define BOOST_PP_SEQ_TAIL_D(seq) BOOST_PP_SEQ_TAIL_I seq
williamr@2: # else
williamr@2: #    define BOOST_PP_SEQ_TAIL(seq) BOOST_PP_SEQ_TAIL_I seq
williamr@2: # endif
williamr@2: #
williamr@2: # define BOOST_PP_SEQ_TAIL_I(x)
williamr@2: #
williamr@2: # /* BOOST_PP_SEQ_NIL */
williamr@2: #
williamr@2: # define BOOST_PP_SEQ_NIL(x) (x)
williamr@2: #
williamr@2: # endif