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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_SET_VALUE_HPP_JOFA_100924 | |
9 | #define BOOST_ICL_CONCEPT_SET_VALUE_HPP_JOFA_100924 | |
10 | ||
11 | #include <boost/icl/type_traits/is_set.hpp> | |
12 | #include <boost/icl/type_traits/codomain_type_of.hpp> | |
13 | ||
14 | namespace boost{ namespace icl | |
15 | { | |
16 | ||
17 | //============================================================================== | |
18 | //= AlgoUnifiers<Set> | |
19 | //============================================================================== | |
20 | template<class Type, class Iterator> | |
21 | inline typename enable_if<is_set<Type>, const typename Type::key_type>::type& | |
22 | key_value(Iterator it_) | |
23 | { | |
24 | return *it_; | |
25 | } | |
26 | ||
27 | template<class Type> | |
28 | inline typename enable_if<is_set<Type>, typename Type::value_type>::type | |
29 | make_value(const typename Type::key_type& key_val, | |
30 | const typename codomain_type_of<Type>::type& ) | |
31 | { | |
32 | return typename Type::value_type(key_val); | |
33 | } | |
34 | ||
35 | ||
36 | }} // namespace boost icl | |
37 | ||
38 | #endif | |
39 | ||
40 |