Chris@16: /*=============================================================================
Chris@16:     Copyright (c) 1999-2003 Jaakko Jarvi
Chris@16:     Copyright (c) 2001-2011 Joel de Guzman
Chris@16: 
Chris@16:     Distributed under the Boost Software License, Version 1.0. (See accompanying 
Chris@16:     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: ==============================================================================*/
Chris@16: #if !defined(FUSION_EQUAL_TO_05052005_1142)
Chris@16: #define FUSION_EQUAL_TO_05052005_1142
Chris@16: 
Chris@101: #include <boost/fusion/support/config.hpp>
Chris@16: #include <boost/mpl/bool.hpp>
Chris@16: #include <boost/fusion/iterator/deref.hpp>
Chris@16: #include <boost/fusion/iterator/next.hpp>
Chris@16: #include <boost/fusion/iterator/equal_to.hpp>
Chris@16: #include <boost/fusion/support/as_const.hpp>
Chris@16: 
Chris@16: namespace boost { namespace fusion { namespace detail
Chris@16: {
Chris@16:     template <typename Seq1, typename Seq2, bool same_size>
Chris@16:     struct sequence_equal_to
Chris@16:     {
Chris@16:         typedef typename result_of::end<Seq1>::type end1_type;
Chris@16:         typedef typename result_of::end<Seq2>::type end2_type;
Chris@16: 
Chris@16:         template <typename I1, typename I2>
Chris@101:         BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
Chris@16:         static bool
Chris@16:         call(I1 const&, I2 const&, mpl::true_)
Chris@16:         {
Chris@16:             return true;
Chris@16:         }
Chris@16: 
Chris@16:         template <typename I1, typename I2>
Chris@101:         BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
Chris@16:         static bool
Chris@16:         call(I1 const& a, I2 const& b, mpl::false_)
Chris@16:         {
Chris@16:             return extension::as_const(*a) == extension::as_const(*b)
Chris@16:                 && call(fusion::next(a), fusion::next(b));
Chris@16:         }
Chris@16: 
Chris@16:         template <typename I1, typename I2>
Chris@101:         BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
Chris@16:         static bool
Chris@16:         call(I1 const& a, I2 const& b)
Chris@16:         {
Chris@16:             typename result_of::equal_to<I1, end1_type>::type eq;
Chris@16:             return call(a, b, eq);
Chris@16:         }
Chris@16:     };
Chris@16: 
Chris@16:     template <typename Seq1, typename Seq2>
Chris@16:     struct sequence_equal_to<Seq1, Seq2, false>
Chris@16:     {
Chris@16:         template <typename I1, typename I2>
Chris@101:         BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
Chris@16:         static bool
Chris@16:         call(I1 const& /*a*/, I2 const& /*b*/)
Chris@16:         {
Chris@16:             return false;
Chris@16:         }
Chris@16:     };
Chris@16: }}}
Chris@16: 
Chris@16: #endif