/Src/Dependencies/Boost/boost/fusion/container/deque/detail/begin_impl.hpp
http://hadesmem.googlecode.com/ · C++ Header · 46 lines · 31 code · 8 blank · 7 comment · 0 complexity · 403ea8ef51cae7e20733aa17a829aa42 MD5 · raw file
- /*=============================================================================
- Copyright (c) 2001-2006 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(BOOST_FUSION_DEQUE_BEGIN_IMPL_09122006_2034)
- #define BOOST_FUSION_DEQUE_BEGIN_IMPL_09122006_2034
- #include <boost/fusion/container/deque/deque_iterator.hpp>
- #include <boost/mpl/equal_to.hpp>
- #include <boost/mpl/if.hpp>
- namespace boost { namespace fusion {
- struct deque_tag;
- namespace extension
- {
- template<typename T>
- struct begin_impl;
-
- template<>
- struct begin_impl<deque_tag>
- {
- template<typename Sequence>
- struct apply
- {
- typedef typename mpl::if_<
- mpl::equal_to<typename Sequence::next_down, typename Sequence::next_up>,
- deque_iterator<Sequence, 0>,
- deque_iterator<
- Sequence, mpl::plus<typename Sequence::next_down, mpl::int_<1> >::value> >::type type;
-
- static type call(Sequence& seq)
- {
- return type(seq);
- }
- };
- };
- }
- }}
- #endif