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_ELEMENT_SET_VALUE_HPP_JOFA_100924 9 #define BOOST_ICL_CONCEPT_ELEMENT_SET_VALUE_HPP_JOFA_100924 10 11 #include <boost/icl/type_traits/is_element_container.hpp> 12 13 namespace boost{ namespace icl 14 { 15 16 //============================================================================== 17 //= AlgoUnifiers<Set> 18 //============================================================================== 19 template<class Type, class Iterator> 20 inline typename enable_if<is_element_set<Type>, const typename Type::key_type>::type& co_value(Iterator it_)21co_value(Iterator it_) 22 { 23 return *it_; 24 } 25 26 27 }} // namespace boost icl 28 29 #endif 30 31 32