Bill Somerville 4ebe6417a5 Squashed 'boost/' content from commit b4feb19f2
git-subtree-dir: boost
git-subtree-split: b4feb19f287ee92d87a9624b5d36b7cf46aeadeb
2018-06-09 21:48:32 +01:00

71 lines
1.8 KiB
C++

/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2005-2006 Dan Marsden
Copyright (c) 2009-2010 Christopher Schmidt
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)
==============================================================================*/
#ifndef BOOST_FUSION_ADAPTED_STRUCT_DETAIL_BEGIN_IMPL_HPP
#define BOOST_FUSION_ADAPTED_STRUCT_DETAIL_BEGIN_IMPL_HPP
#include <boost/fusion/support/config.hpp>
#include <boost/fusion/iterator/basic_iterator.hpp>
namespace boost { namespace fusion { namespace extension
{
template<typename>
struct begin_impl;
template <>
struct begin_impl<struct_tag>
{
template <typename Seq>
struct apply
{
typedef
basic_iterator<
struct_iterator_tag
, random_access_traversal_tag
, Seq
, 0
>
type;
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static type
call(Seq& seq)
{
return type(seq,0);
}
};
};
template <>
struct begin_impl<assoc_struct_tag>
{
template <typename Seq>
struct apply
{
typedef
basic_iterator<
struct_iterator_tag
, assoc_struct_category
, Seq
, 0
>
type;
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static type
call(Seq& seq)
{
return type(seq,0);
}
};
};
}}}
#endif