| /*============================================================================= |
| 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/detail/enable_comparison.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<detail::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<detail::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< |
| detail::enable_comparison<Seq1, Seq2> |
| , bool |
| >::type |
| operator<=(Seq1 const& a, Seq2 const& b) |
| { |
| return fusion::less_equal(a, b); |
| } |
| #endif |
| } |
| using operators::operator<=; |
| }} |
| |
| #endif |