67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
|
|
// (C) Copyright Edward Diener 2011-2015
|
|
// Use, modification and distribution are subject to 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).
|
|
|
|
#if !defined(BOOST_VMD_DETAIL_SEQUENCE_ARITY_HPP)
|
|
#define BOOST_VMD_DETAIL_SEQUENCE_ARITY_HPP
|
|
|
|
#include <boost/preprocessor/logical/bitand.hpp>
|
|
#include <boost/preprocessor/logical/bitnor.hpp>
|
|
#include <boost/preprocessor/tuple/elem.hpp>
|
|
#include <boost/vmd/is_empty.hpp>
|
|
#include <boost/vmd/detail/modifiers.hpp>
|
|
#include <boost/vmd/detail/not_empty.hpp>
|
|
#include <boost/vmd/detail/sequence_elem.hpp>
|
|
|
|
#define BOOST_VMD_DETAIL_IS_MULTI_TUPLE(tuple) \
|
|
BOOST_PP_BITNOR \
|
|
( \
|
|
BOOST_VMD_IS_EMPTY(BOOST_PP_TUPLE_ELEM(0,tuple)), \
|
|
BOOST_VMD_IS_EMPTY(BOOST_PP_TUPLE_ELEM(1,tuple)) \
|
|
) \
|
|
/**/
|
|
|
|
#define BOOST_VMD_DETAIL_IS_UNARY_TUPLE(tuple) \
|
|
BOOST_PP_BITAND \
|
|
( \
|
|
BOOST_VMD_DETAIL_NOT_EMPTY(BOOST_PP_TUPLE_ELEM(0,tuple)), \
|
|
BOOST_VMD_IS_EMPTY(BOOST_PP_TUPLE_ELEM(1,tuple)) \
|
|
) \
|
|
/**/
|
|
|
|
// UNARY
|
|
|
|
#define BOOST_VMD_DETAIL_IS_UNARY(vseq) \
|
|
BOOST_VMD_DETAIL_IS_UNARY_TUPLE \
|
|
( \
|
|
BOOST_VMD_DETAIL_SEQUENCE_ELEM(BOOST_VMD_ALLOW_AFTER,0,vseq,BOOST_VMD_RETURN_AFTER) \
|
|
) \
|
|
/**/
|
|
|
|
#define BOOST_VMD_DETAIL_IS_UNARY_D(d,vseq) \
|
|
BOOST_VMD_DETAIL_IS_UNARY_TUPLE \
|
|
( \
|
|
BOOST_VMD_DETAIL_SEQUENCE_ELEM_D(d,BOOST_VMD_ALLOW_AFTER,0,vseq,BOOST_VMD_RETURN_AFTER) \
|
|
) \
|
|
/**/
|
|
|
|
// MULTI
|
|
|
|
#define BOOST_VMD_DETAIL_IS_MULTI(vseq) \
|
|
BOOST_VMD_DETAIL_IS_MULTI_TUPLE \
|
|
( \
|
|
BOOST_VMD_DETAIL_SEQUENCE_ELEM(BOOST_VMD_ALLOW_AFTER,0,vseq,BOOST_VMD_RETURN_AFTER) \
|
|
) \
|
|
/**/
|
|
|
|
#define BOOST_VMD_DETAIL_IS_MULTI_D(d,vseq) \
|
|
BOOST_VMD_DETAIL_IS_MULTI_TUPLE \
|
|
( \
|
|
BOOST_VMD_DETAIL_SEQUENCE_ELEM_D(d,BOOST_VMD_ALLOW_AFTER,0,vseq,BOOST_VMD_RETURN_AFTER) \
|
|
) \
|
|
/**/
|
|
|
|
#endif /* BOOST_VMD_DETAIL_SEQUENCE_ARITY_HPP */
|