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//  (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


#include <boost/vmd/detail/setup.hpp>


#include <boost/preprocessor/control/iif.hpp>
#include <boost/preprocessor/seq/to_array.hpp>
#include <boost/vmd/identity.hpp>
#include <boost/vmd/is_empty.hpp>


  The succeeding comments in this file are in doxygen format.


/** \file

/** \def BOOST_VMD_SEQ_TO_ARRAY(seq)

    \brief converts a seq to an array.

    seq = seq to be converted.
    If the seq is an empty seq it is converted to an array with 0 elements.
    Otherwise the seq is converted to an array with the same number of elements as the seq.

#define BOOST_VMD_SEQ_TO_ARRAY(seq) \
        ( \
        BOOST_PP_IIF \
            ( \
            BOOST_VMD_IS_EMPTY(seq), \
            BOOST_VMD_IDENTITY((0,())), \
            BOOST_PP_SEQ_TO_ARRAY \
            ) \
        (seq) \
        ) \