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