39 lines
1.8 KiB
Plaintext
39 lines
1.8 KiB
Plaintext
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# /* **************************************************************************
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# * *
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# * (C) Copyright Paul Mensonides 2002.
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# * Distributed under the Boost Software License, Version 1.0. (See
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# * accompanying file LICENSE_1_0.txt or copy at
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# * http://www.boost.org/LICENSE_1_0.txt)
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# * *
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# ************************************************************************** */
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#
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# /* See http://www.boost.org for most recent version. */
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#
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# ifndef BOOST_PREPROCESSOR_ARRAY_POP_FRONT_HPP
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# define BOOST_PREPROCESSOR_ARRAY_POP_FRONT_HPP
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#
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# include <boost/preprocessor/arithmetic/dec.hpp>
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# include <boost/preprocessor/arithmetic/inc.hpp>
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# include <boost/preprocessor/array/elem.hpp>
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# include <boost/preprocessor/array/size.hpp>
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# include <boost/preprocessor/repetition/enum.hpp>
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# include <boost/preprocessor/repetition/deduce_z.hpp>
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#
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# /* BOOST_PP_ARRAY_POP_FRONT */
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#
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# define BOOST_PP_ARRAY_POP_FRONT(array) BOOST_PP_ARRAY_POP_FRONT_Z(BOOST_PP_DEDUCE_Z(), array)
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#
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# /* BOOST_PP_ARRAY_POP_FRONT_Z */
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#
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# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
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# define BOOST_PP_ARRAY_POP_FRONT_Z(z, array) BOOST_PP_ARRAY_POP_FRONT_I(z, BOOST_PP_ARRAY_SIZE(array), array)
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# else
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# define BOOST_PP_ARRAY_POP_FRONT_Z(z, array) BOOST_PP_ARRAY_POP_FRONT_Z_D(z, array)
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# define BOOST_PP_ARRAY_POP_FRONT_Z_D(z, array) BOOST_PP_ARRAY_POP_FRONT_I(z, BOOST_PP_ARRAY_SIZE(array), array)
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# endif
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#
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# 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)))
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# define BOOST_PP_ARRAY_POP_FRONT_M(z, n, data) BOOST_PP_ARRAY_ELEM(BOOST_PP_INC(n), data)
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#
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# endif
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