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1 | /*-----------------------------------------------------------------------------+ |
2 | Copyright (c) 2008-2009: 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_TYPE_TRAITS_IS_CONCEPT_EQUIVALENT_HPP_JOFA_090830 | |
9 | #define BOOST_ICL_TYPE_TRAITS_IS_CONCEPT_EQUIVALENT_HPP_JOFA_090830 | |
10 | ||
11 | #include <boost/mpl/and.hpp> | |
12 | ||
13 | namespace boost{ namespace icl | |
14 | { | |
15 | ||
16 | template<template<class>class IsConcept, class LeftT, class RightT> | |
17 | struct is_concept_equivalent | |
18 | { | |
19 | typedef is_concept_equivalent<IsConcept, LeftT, RightT> type; | |
20 | BOOST_STATIC_CONSTANT(bool, value = | |
21 | (mpl::and_<IsConcept<LeftT>, IsConcept<RightT> >::value) | |
22 | ); | |
23 | }; | |
24 | ||
25 | template<template<class>class IsConcept, class LeftT, class RightT> | |
26 | struct has_same_concept | |
27 | { | |
28 | typedef has_same_concept<IsConcept, LeftT, RightT> type; | |
29 | BOOST_STATIC_CONSTANT(bool, value = | |
30 | (mpl::and_<IsConcept<LeftT>, is_concept_equivalent<IsConcept, LeftT, RightT> >::value) | |
31 | ); | |
32 | }; | |
33 | ||
34 | }} // namespace boost icl | |
35 | ||
36 | #endif | |
37 | ||
38 |