/*============================================================================= | |
Copyright (c) 2001-2006 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(BOOST_FUSION_END_IMPL_09272006_0721) | |
#define BOOST_FUSION_END_IMPL_09272006_0721 | |
#include <boost/fusion/adapted/boost_tuple/boost_tuple_iterator.hpp> | |
#include <boost/mpl/if.hpp> | |
#include <boost/type_traits/is_const.hpp> | |
namespace boost { namespace tuples | |
{ | |
struct null_type; | |
}} | |
namespace boost { namespace fusion | |
{ | |
struct boost_tuple_tag; | |
namespace extension | |
{ | |
template <typename Tag> | |
struct end_impl; | |
template <> | |
struct end_impl<boost_tuple_tag> | |
{ | |
template <typename Sequence> | |
struct apply | |
{ | |
typedef | |
boost_tuple_iterator< | |
typename mpl::if_< | |
is_const<Sequence> | |
, tuples::null_type const | |
, tuples::null_type | |
>::type | |
> | |
type; | |
static type | |
call(Sequence& seq) | |
{ | |
return type(seq); | |
} | |
}; | |
}; | |
} | |
}} | |
#endif |