[857] | 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 | // $Source: /cvsroot/boost/boost/boost/mpl/aux_/value_wknd.hpp,v $
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| 14 | // $Date: 2004/12/20 17:51:57 $
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| 15 | // $Revision: 1.14 $
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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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