55 lines
1.8 KiB
Plaintext
55 lines
1.8 KiB
Plaintext
|
/*=============================================================================
|
||
|
|
Copyright (c) 2001-2011 Joel de Guzman
|
||
|
|
Copyright (c) 2005-2006 Dan Marsden
|
||
|
|
|
||
|
|
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_CONVERT_IMPL_09232005_1340)
|
||
|
|
#define FUSION_CONVERT_IMPL_09232005_1340
|
||
|
|
|
||
|
|
#include <boost/fusion/support/config.hpp>
|
||
|
|
#include <boost/fusion/container/map/detail/cpp03/as_map.hpp>
|
||
|
|
#include <boost/fusion/container/map/detail/cpp03/map.hpp>
|
||
|
|
#include <boost/fusion/sequence/intrinsic/begin.hpp>
|
||
|
|
#include <boost/fusion/sequence/intrinsic/size.hpp>
|
||
|
|
|
||
|
|
namespace boost { namespace fusion
|
||
|
|
{
|
||
|
|
struct map_tag;
|
||
|
|
|
||
|
|
namespace extension
|
||
|
|
{
|
||
|
|
template <typename T>
|
||
|
|
struct convert_impl;
|
||
|
|
|
||
|
|
template <>
|
||
|
|
struct convert_impl<map_tag>
|
||
|
|
{
|
||
|
|
template <typename Sequence>
|
||
|
|
struct apply
|
||
|
|
{
|
||
|
|
typedef typename
|
||
|
|
detail::as_map<
|
||
|
|
result_of::size<Sequence>::value
|
||
|
|
, is_base_of<
|
||
|
|
associative_tag
|
||
|
|
, typename traits::category_of<Sequence>::type>::value
|
||
|
|
>
|
||
|
|
gen;
|
||
|
|
typedef typename gen::
|
||
|
|
template apply<typename result_of::begin<Sequence>::type>::type
|
||
|
|
type;
|
||
|
|
|
||
|
|
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
|
||
|
|
static type call(Sequence& seq)
|
||
|
|
{
|
||
|
|
return gen::call(fusion::begin(seq));
|
||
|
|
}
|
||
|
|
};
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}}
|
||
|
|
|
||
|
|
#endif
|