/*============================================================================= | |
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_1141) | |
#define FUSION_LESS_EQUAL_05052005_1141 | |
#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_less_equal | |
{ | |
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 true; | |
} | |
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 |