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/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
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(FUSION_BUILD_CONS_09232005_1222)
#define FUSION_BUILD_CONS_09232005_1222
#include <boost/fusion/support/config.hpp>
#include <boost/fusion/container/list/cons.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_cons;
template <typename First, typename Last>
struct build_cons<First, Last, true>
{
typedef nil_ type;
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static nil_
call(First const&, Last const&)
{
return nil_();
}
};
template <typename First, typename Last>
struct build_cons<First, Last, false>
{
typedef
build_cons<typename result_of::next<First>::type, Last>
next_build_cons;
typedef cons<
typename result_of::value_of<First>::type
, typename next_build_cons::type>
type;
BOOST_CXX14_CONSTEXPR 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_cons::call(fusion::next(f), l));
}
};
}}}
#endif
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