| /*============================================================================= |
| Copyright (c) 2001-2011 Joel de Guzman |
| Copyright (c) 2005, 2014 Eric Niebler |
| |
| 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_NIL_04232014_0843) |
| #define FUSION_NIL_04232014_0843 |
| |
| #include <boost/fusion/support/config.hpp> |
| #include <boost/fusion/container/list/cons_fwd.hpp> |
| #include <boost/fusion/support/sequence_base.hpp> |
| #include <boost/mpl/int.hpp> |
| #include <boost/mpl/bool.hpp> |
| |
| namespace boost { namespace fusion |
| { |
| struct void_; |
| struct cons_tag; |
| struct forward_traversal_tag; |
| struct fusion_sequence_tag; |
| |
| struct nil_ : sequence_base<nil_> |
| { |
| typedef mpl::int_<0> size; |
| typedef cons_tag fusion_tag; |
| typedef fusion_sequence_tag tag; // this gets picked up by MPL |
| typedef mpl::false_ is_view; |
| typedef forward_traversal_tag category; |
| typedef void_ car_type; |
| typedef void_ cdr_type; |
| |
| BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED |
| nil_() BOOST_NOEXCEPT {} |
| |
| template <typename Iterator> |
| BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED |
| nil_(Iterator const& /*iter*/, mpl::true_ /*this_is_an_iterator*/) BOOST_NOEXCEPT |
| {} |
| |
| template <typename Iterator> |
| BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED |
| void assign_from_iter(Iterator const& /*iter*/) BOOST_NOEXCEPT |
| { |
| } |
| }; |
| }} |
| |
| #endif |
| |