/Src/Dependencies/Boost/boost/fusion/sequence/comparison/detail/greater.hpp
http://hadesmem.googlecode.com/ · C++ Header · 49 lines · 36 code · 6 blank · 7 comment · 1 complexity · 6090eba529a3c67c1a0061296f5b8d20 MD5 · raw file
- /*=============================================================================
- Copyright (c) 1999-2003 Jaakko Jarvi
- 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(FUSION_GREATER_05052005_1142)
- #define FUSION_GREATER_05052005_1142
- #include <boost/mpl/bool.hpp>
- #include <boost/fusion/iterator/deref.hpp>
- #include <boost/fusion/iterator/next.hpp>
- #include <boost/fusion/iterator/equal_to.hpp>
- namespace boost { namespace fusion { namespace detail
- {
- template <typename Seq1, typename Seq2>
- struct sequence_greater
- {
- typedef typename result_of::end<Seq1>::type end1_type;
- typedef typename result_of::end<Seq2>::type end2_type;
- template <typename I1, typename I2>
- static bool
- call(I1 const&, I2 const&, mpl::true_)
- {
- return false;
- }
- template <typename I1, typename I2>
- static bool
- call(I1 const& a, I2 const& b, mpl::false_)
- {
- return *a > *b ||
- (!(*b > *a) && call(fusion::next(a), fusion::next(b)));
- }
- template <typename I1, typename I2>
- 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