| /*============================================================================= |
| Copyright (c) 1999-2003 Jaakko Jarvi |
| Copyright (c) 2001-2011 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(FUSION_LESS_05052005_1141) |
| #define FUSION_LESS_05052005_1141 |
| |
| #include <boost/fusion/support/config.hpp> |
| #include <boost/mpl/bool.hpp> |
| #include <boost/fusion/iterator/deref.hpp> |
| #include <boost/fusion/iterator/next.hpp> |
| #include <boost/fusion/iterator/equal_to.hpp> |
| #include <boost/fusion/support/as_const.hpp> |
| |
| namespace boost { namespace fusion { namespace detail |
| { |
| template <typename Seq1, typename Seq2> |
| struct sequence_less |
| { |
| typedef typename result_of::end<Seq1>::type end1_type; |
| typedef typename result_of::end<Seq2>::type end2_type; |
| |
| template <typename I1, typename I2> |
| BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED |
| static bool |
| call(I1 const&, I2 const&, mpl::true_) |
| { |
| return false; |
| } |
| |
| template <typename I1, typename I2> |
| BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED |
| static bool |
| call(I1 const& a, I2 const& b, mpl::false_) |
| { |
| return extension::as_const(*a) < extension::as_const(*b) || |
| (!(extension::as_const(*b) < extension::as_const(*a)) && |
| call(fusion::next(a), fusion::next(b))); |
| } |
| |
| template <typename I1, typename I2> |
| BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED |
| static bool |
| call(I1 const& a, I2 const& b) |
| { |
| typename result_of::equal_to<I1, end1_type>::type eq; |
| return call(a, b, eq); |
| } |
| }; |
| }}} |
| |
| #endif |