/*-----------------------------------------------------------------------------+ | |
Copyright (c) 2010-2010: Joachim Faulhaber | |
+------------------------------------------------------------------------------+ | |
Distributed under the Boost Software License, Version 1.0. | |
(See accompanying file LICENCE.txt or copy at | |
http://www.boost.org/LICENSE_1_0.txt) | |
+-----------------------------------------------------------------------------*/ | |
#ifndef BOOST_ICL_CONCEPT_COMPARABLE_HPP_JOFA_100921 | |
#define BOOST_ICL_CONCEPT_COMPARABLE_HPP_JOFA_100921 | |
#include <boost/utility/enable_if.hpp> | |
#include <boost/icl/type_traits/is_icl_container.hpp> | |
namespace boost{ namespace icl | |
{ | |
//============================================================================== | |
//= Equivalences and Orderings<Comparable> | |
//============================================================================== | |
template<class Type> | |
inline typename enable_if<is_icl_container<Type>, bool>::type | |
operator != (const Type& left, const Type& right) | |
{ return !(left == right); } | |
template<class Type> | |
inline typename enable_if<is_icl_container<Type>, bool>::type | |
operator > (const Type& left, const Type& right) | |
{ return right < left; } | |
/** Partial ordering which is induced by Compare */ | |
template<class Type> | |
inline typename enable_if<is_icl_container<Type>, bool>::type | |
operator <= (const Type& left, const Type& right) | |
{ return !(left > right); } | |
template<class Type> | |
inline typename enable_if<is_icl_container<Type>, bool>::type | |
operator >= (const Type& left, const Type& right) | |
{ return !(left < right); } | |
}} // namespace boost icl | |
#endif | |