/*=============================================================================
|
Copyright (c) 2012-2014 Kohei Takahashi
|
|
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)
|
==============================================================================*/
|
#if !defined(BOOST_FUSION_BUILD_CONS_10172012_0130)
|
#define BOOST_FUSION_BUILD_CONS_10172012_0130
|
|
#include <boost/tuple/tuple.hpp>
|
#include <boost/fusion/iterator/equal_to.hpp>
|
#include <boost/fusion/iterator/next.hpp>
|
#include <boost/fusion/iterator/value_of.hpp>
|
#include <boost/fusion/iterator/deref.hpp>
|
|
namespace boost { namespace fusion { namespace detail
|
{
|
template <
|
typename First
|
, typename Last
|
, bool is_empty = result_of::equal_to<First, Last>::value>
|
struct build_tuple_cons;
|
|
template <typename First, typename Last>
|
struct build_tuple_cons<First, Last, true>
|
{
|
typedef boost::tuples::null_type type;
|
|
BOOST_FUSION_GPU_ENABLED
|
static type
|
call(First const&, Last const&)
|
{
|
return type();
|
}
|
};
|
|
template <typename First, typename Last>
|
struct build_tuple_cons<First, Last, false>
|
{
|
typedef
|
build_tuple_cons<typename result_of::next<First>::type, Last>
|
next_build_tuple_cons;
|
|
typedef boost::tuples::cons<
|
typename result_of::value_of<First>::type
|
, typename next_build_tuple_cons::type>
|
type;
|
|
BOOST_FUSION_GPU_ENABLED
|
static type
|
call(First const& f, Last const& l)
|
{
|
typename result_of::value_of<First>::type v = *f;
|
return type(v, next_build_tuple_cons::call(fusion::next(f), l));
|
}
|
};
|
}}}
|
|
#endif
|
