50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
|
|
||
|
|
// (C) Copyright Edward Diener 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_TUPLE_TO_SEQ_HPP)
|
||
|
|
#define BOOST_VMD_TUPLE_TO_SEQ_HPP
|
||
|
|
|
||
|
|
#include <boost/vmd/detail/setup.hpp>
|
||
|
|
|
||
|
|
#if BOOST_PP_VARIADICS
|
||
|
|
|
||
|
|
#include <boost/preprocessor/control/iif.hpp>
|
||
|
|
#include <boost/preprocessor/tuple/to_seq.hpp>
|
||
|
|
#include <boost/vmd/empty.hpp>
|
||
|
|
#include <boost/vmd/is_empty.hpp>
|
||
|
|
|
||
|
|
/*
|
||
|
|
|
||
|
|
The succeeding comments in this file are in doxygen format.
|
||
|
|
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** \file
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** \def BOOST_VMD_TUPLE_TO_SEQ(tuple)
|
||
|
|
|
||
|
|
\brief converts a tuple to a seq.
|
||
|
|
|
||
|
|
tuple = tuple to be converted.
|
||
|
|
|
||
|
|
If the tuple is an empty tuple it is converted to an empty seq.
|
||
|
|
Otherwise the tuple is converted to a seq with the same number of elements as the tuple.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define BOOST_VMD_TUPLE_TO_SEQ(tuple) \
|
||
|
|
BOOST_PP_IIF \
|
||
|
|
( \
|
||
|
|
BOOST_VMD_IS_EMPTY(tuple), \
|
||
|
|
BOOST_VMD_EMPTY, \
|
||
|
|
BOOST_PP_TUPLE_TO_SEQ \
|
||
|
|
) \
|
||
|
|
(tuple) \
|
||
|
|
/**/
|
||
|
|
|
||
|
|
#endif /* BOOST_PP_VARIADICS */
|
||
|
|
#endif /* BOOST_VMD_TUPLE_TO_SEQ_HPP */
|