[3408] | 1 | |
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| 2 | #ifndef BOOST_MPL_AUX_VALUE_WKND_HPP_INCLUDED |
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| 3 | #define BOOST_MPL_AUX_VALUE_WKND_HPP_INCLUDED |
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| 4 | |
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| 5 | // Copyright Aleksey Gurtovoy 2000-2004 |
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| 6 | // |
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| 7 | // Distributed under the Boost Software License, Version 1.0. |
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| 8 | // (See accompanying file LICENSE_1_0.txt or copy at |
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| 9 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 10 | // |
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| 11 | // See http://www.boost.org/libs/mpl for documentation. |
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| 12 | |
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| 13 | // $Id$ |
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| 14 | // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ |
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| 15 | // $Revision: 49267 $ |
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| 16 | |
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| 17 | #include <boost/mpl/aux_/static_cast.hpp> |
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| 18 | #include <boost/mpl/aux_/config/integral.hpp> |
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| 19 | #include <boost/mpl/aux_/config/eti.hpp> |
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| 20 | #include <boost/mpl/aux_/config/workaround.hpp> |
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| 21 | |
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| 22 | #if defined(BOOST_MPL_CFG_BCC_INTEGRAL_CONSTANTS) \ |
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| 23 | || defined(BOOST_MPL_CFG_MSVC_60_ETI_BUG) |
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| 24 | |
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| 25 | # include <boost/mpl/int.hpp> |
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| 26 | |
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| 27 | namespace boost { namespace mpl { namespace aux { |
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| 28 | template< typename C_ > struct value_wknd |
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| 29 | : C_ |
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| 30 | { |
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| 31 | }; |
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| 32 | |
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| 33 | #if defined(BOOST_MPL_CFG_MSVC_60_ETI_BUG) |
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| 34 | template<> struct value_wknd<int> |
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| 35 | : int_<1> |
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| 36 | { |
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| 37 | using int_<1>::value; |
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| 38 | }; |
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| 39 | #endif |
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| 40 | }}} |
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| 41 | |
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| 42 | |
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| 43 | #if !defined(BOOST_MPL_CFG_MSVC_60_ETI_BUG) |
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| 44 | # define BOOST_MPL_AUX_VALUE_WKND(C) \ |
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| 45 | ::BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE::aux::value_wknd< C > \ |
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| 46 | /**/ |
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| 47 | # define BOOST_MPL_AUX_MSVC_VALUE_WKND(C) BOOST_MPL_AUX_VALUE_WKND(C) |
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| 48 | #else |
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| 49 | # define BOOST_MPL_AUX_VALUE_WKND(C) C |
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| 50 | # define BOOST_MPL_AUX_MSVC_VALUE_WKND(C) \ |
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| 51 | ::boost::mpl::aux::value_wknd< C > \ |
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| 52 | /**/ |
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| 53 | #endif |
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| 54 | |
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| 55 | #else // BOOST_MPL_CFG_BCC_INTEGRAL_CONSTANTS |
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| 56 | |
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| 57 | # define BOOST_MPL_AUX_VALUE_WKND(C) C |
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| 58 | # define BOOST_MPL_AUX_MSVC_VALUE_WKND(C) C |
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| 59 | |
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| 60 | #endif |
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| 61 | |
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| 62 | #if BOOST_WORKAROUND(__EDG_VERSION__, <= 238) |
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| 63 | # define BOOST_MPL_AUX_NESTED_VALUE_WKND(T, C) \ |
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| 64 | BOOST_MPL_AUX_STATIC_CAST(T, C::value) \ |
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| 65 | /**/ |
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| 66 | #else |
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| 67 | # define BOOST_MPL_AUX_NESTED_VALUE_WKND(T, C) \ |
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| 68 | BOOST_MPL_AUX_VALUE_WKND(C)::value \ |
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| 69 | /**/ |
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| 70 | #endif |
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| 71 | |
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| 72 | |
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| 73 | namespace boost { namespace mpl { namespace aux { |
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| 74 | |
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| 75 | template< typename T > struct value_type_wknd |
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| 76 | { |
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| 77 | typedef typename T::value_type type; |
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| 78 | }; |
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| 79 | |
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| 80 | #if defined(BOOST_MPL_CFG_MSVC_ETI_BUG) |
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| 81 | template<> struct value_type_wknd<int> |
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| 82 | { |
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| 83 | typedef int type; |
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| 84 | }; |
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| 85 | #endif |
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| 86 | |
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| 87 | }}} |
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| 88 | |
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| 89 | #endif // BOOST_MPL_AUX_VALUE_WKND_HPP_INCLUDED |
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