/*-----------------------------------------------------------------------------+
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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_INTERVAL_SET_VALUE_HPP_JOFA_100924
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#define BOOST_ICL_CONCEPT_INTERVAL_SET_VALUE_HPP_JOFA_100924
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#include <boost/utility/enable_if.hpp>
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#include <boost/icl/type_traits/is_interval_container.hpp>
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#include <boost/icl/concept/interval.hpp>
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namespace boost{ namespace icl
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{
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//==============================================================================
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//= AlgoUnifiers<Set>
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//==============================================================================
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template<class Type, class Iterator>
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inline typename enable_if<is_interval_set<Type>, typename Type::codomain_type>::type
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co_value(Iterator value_)
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{
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typedef typename Type::codomain_type codomain_type;
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return icl::is_empty(*value_)? codomain_type() : (*value_).lower();
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}
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}} // namespace boost icl
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#endif
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