| /*-----------------------------------------------------------------------------+ |
| 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 |
| |
| |