# Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world.

### boost/vmd/array/to_tuple.hpp


//  (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

#if !defined(BOOST_VMD_ARRAY_TO_TUPLE_HPP)
#define BOOST_VMD_ARRAY_TO_TUPLE_HPP

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

#include <boost/preprocessor/control/iif.hpp>
#include <boost/preprocessor/array/to_tuple.hpp>
#include <boost/vmd/empty.hpp>
#include <boost/vmd/is_empty_array.hpp>

/*

The succeeding comments in this file are in doxygen format.

*/

/** \file
*/

/** \def BOOST_VMD_ARRAY_TO_TUPLE(array)

\brief converts an array to a tuple.

array = array to be converted.

If the array is an array of 0 elements it is converted to an empty tuple.
Otherwise the array is converted to a tuple with the same number of elements as the array.
*/

#define BOOST_VMD_ARRAY_TO_TUPLE(array) \
BOOST_PP_IIF \
( \
BOOST_VMD_IS_EMPTY_ARRAY(array), \
BOOST_VMD_EMPTY, \
BOOST_PP_ARRAY_TO_TUPLE \
) \
(array) \
/**/