/Src/Dependencies/Boost/boost/fusion/sequence/comparison/less_equal.hpp
http://hadesmem.googlecode.com/ · C++ Header · 81 lines · 62 code · 9 blank · 10 comment · 1 complexity · dad4ab06debe38e25312ff9c2337d6d6 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_LESS_EQUAL_05052005_0432)
- #define FUSION_LESS_EQUAL_05052005_0432
- #include <boost/fusion/sequence/intrinsic/begin.hpp>
- #include <boost/fusion/sequence/intrinsic/end.hpp>
- #include <boost/fusion/sequence/intrinsic/size.hpp>
- #include <boost/fusion/sequence/comparison/enable_comparison.hpp>
- #include <boost/fusion/support/is_sequence.hpp>
- #if defined(FUSION_DIRECT_OPERATOR_USAGE)
- #include <boost/fusion/sequence/comparison/detail/less_equal.hpp>
- #else
- #include <boost/fusion/sequence/comparison/less.hpp>
- #endif
- namespace boost { namespace fusion
- {
- template <typename Seq1, typename Seq2>
- inline bool
- less_equal(Seq1 const& a, Seq2 const& b)
- {
- #if defined(FUSION_DIRECT_OPERATOR_USAGE)
- return detail::sequence_less_equal<Seq1 const, Seq2 const>::
- call(fusion::begin(a), fusion::begin(b));
- #else
- return !(b < a);
- #endif
- }
- namespace operators
- {
- #if defined(BOOST_MSVC) && (BOOST_MSVC <= 1400)
- // Workaround for VC8.0 and VC7.1
- template <typename Seq1, typename Seq2>
- inline bool
- operator<=(sequence_base<Seq1> const& a, sequence_base<Seq2> const& b)
- {
- return less_equal(a.derived(), b.derived());
- }
- template <typename Seq1, typename Seq2>
- inline typename disable_if<traits::is_native_fusion_sequence<Seq2>, bool>::type
- operator<=(sequence_base<Seq1> const& a, Seq2 const& b)
- {
- return less_equal(a.derived(), b);
- }
- template <typename Seq1, typename Seq2>
- inline typename disable_if<traits::is_native_fusion_sequence<Seq1>, bool>::type
- operator<=(Seq1 const& a, sequence_base<Seq2> const& b)
- {
- return less_equal(a, b.derived());
- }
- #else
- // Somehow VC8.0 and VC7.1 does not like this code
- // but barfs somewhere else.
- template <typename Seq1, typename Seq2>
- inline typename
- enable_if<
- traits::enable_comparison<Seq1, Seq2>
- , bool
- >::type
- operator<=(Seq1 const& a, Seq2 const& b)
- {
- return fusion::less_equal(a, b);
- }
- #endif
- }
- using operators::operator<=;
- }}
- #endif