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FEATURE: BOOST_FUSION_ADAPT_STRUCT can now also be called completely with

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variadics arguments.

The following signature is possible :

 BOOST_FUSION_ADAPT_STRUCT(
        struct_name,
        member_name0,
        (BOOST_FUSION_ADAPT_AUTO, member_name1)
        (member_type2, member_name2)
	member_name3,
        ...
        )
This commit is contained in:
Damien Buhl (alias daminetreg)
2014-06-04 01:36:15 +02:00
parent 37fc1443ad
commit 02b776360a
3 changed files with 88 additions and 13 deletions
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41
include/boost/fusion/adapted/struct/detail/preprocessor/is_seq.hpp Normal file
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/*=============================================================================
BOOST_PP_VARIADICS version of BOOST_PP_IS_SEQ inspired from
boost/mpl/aux_/preprocessor/is_seq.hpp, original copyrights goes to :
Copyright Paul Mensonides 2003
Copyright Aleksey Gurtovoy 2003-2004
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)
==============================================================================*/
#ifndef BOOST_FUSION_ADAPTED_STRUCT_DETAIL_PREPROCESSOR_IS_SEQ_HPP
#define BOOST_FUSION_ADAPTED_STRUCT_DETAIL_PREPROCESSOR_IS_SEQ_HPP
#include <boost/preprocessor/seq/size.hpp>
#include <boost/preprocessor/arithmetic/dec.hpp>
#include <boost/preprocessor/punctuation/paren.hpp>
#include <boost/preprocessor/cat.hpp>
#include <boost/preprocessor/config/config.hpp>
#if BOOST_PP_VARIADICS
#define BOOST_FUSION_PP_IS_SEQ(seq) BOOST_PP_CAT(BOOST_FUSION_PP_IS_SEQ_, \
BOOST_FUSION_PP_IS_SEQ_0 seq BOOST_PP_RPAREN())
#define BOOST_FUSION_PP_IS_SEQ_0(...) \
BOOST_FUSION_PP_IS_SEQ_1(__VA_ARGS__
#define BOOST_FUSION_PP_IS_SEQ_ALWAYS_0(...) \
0
#define BOOST_FUSION_PP_IS_SEQ_BOOST_FUSION_PP_IS_SEQ_0 \
BOOST_FUSION_PP_IS_SEQ_ALWAYS_0(
#define BOOST_FUSION_PP_IS_SEQ_BOOST_FUSION_PP_IS_SEQ_1(...) \
1
#endif // BOOST_PP_VARIADICS
#endif