1 /*-----------------------------------------------------------------------------+ 2 Copyright (c) 2010-2010: Joachim Faulhaber 3 +------------------------------------------------------------------------------+ 4 Distributed under the Boost Software License, Version 1.0. 5 (See accompanying file LICENCE.txt or copy at 6 http://www.boost.org/LICENSE_1_0.txt) 7 +-----------------------------------------------------------------------------*/ 8 #ifndef BOOST_ICL_CONCEPT_INTERVAL_SET_VALUE_HPP_JOFA_100924 9 #define BOOST_ICL_CONCEPT_INTERVAL_SET_VALUE_HPP_JOFA_100924 10 11 #include <boost/utility/enable_if.hpp> 12 #include <boost/icl/type_traits/is_interval_container.hpp> 13 #include <boost/icl/concept/interval.hpp> 14 15 namespace boost{ namespace icl 16 { 17 18 //============================================================================== 19 //= AlgoUnifiers<Set> 20 //============================================================================== 21 template<class Type, class Iterator> 22 inline typename enable_if<is_interval_set<Type>, typename Type::codomain_type>::type co_value(Iterator value_)23co_value(Iterator value_) 24 { 25 typedef typename Type::codomain_type codomain_type; 26 return icl::is_empty(*value_)? codomain_type() : (*value_).lower(); 27 } 28 29 }} // namespace boost icl 30 31 #endif 32 33 34