[857] | 1 | // Boost result_of library
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| 2 |
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| 3 | // Copyright Douglas Gregor 2004. Use, modification and
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| 4 | // distribution is subject to the Boost Software License, Version
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| 5 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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| 6 | // http://www.boost.org/LICENSE_1_0.txt)
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| 7 |
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| 8 | // For more information, see http://www.boost.org/libs/utility
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| 9 | #if !defined(BOOST_PP_IS_ITERATING)
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| 10 | # error Boost result_of - do not include this file!
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| 11 | #endif
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| 12 |
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| 13 | // CWPro8 requires an argument in a function type specialization
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| 14 | #if BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3002)) && BOOST_PP_ITERATION() == 0
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| 15 | # define BOOST_RESULT_OF_ARGS void
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| 16 | #else
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| 17 | # define BOOST_RESULT_OF_ARGS BOOST_PP_ENUM_PARAMS(BOOST_PP_ITERATION(),T)
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| 18 | #endif
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| 19 |
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| 20 | #if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
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| 21 | template<typename F BOOST_PP_COMMA_IF(BOOST_PP_ITERATION())
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| 22 | BOOST_PP_ENUM_PARAMS(BOOST_PP_ITERATION(),typename T)>
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| 23 | struct result_of<F(BOOST_RESULT_OF_ARGS)>
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| 24 | : detail::result_of<F, F(BOOST_RESULT_OF_ARGS)> {};
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| 25 | #endif
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| 26 |
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| 27 | namespace detail {
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| 28 |
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| 29 | template<typename R, typename FArgs BOOST_PP_COMMA_IF(BOOST_PP_ITERATION())
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| 30 | BOOST_PP_ENUM_PARAMS(BOOST_PP_ITERATION(),typename T)>
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| 31 | struct result_of<R (*)(BOOST_RESULT_OF_ARGS), FArgs>
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| 32 | {
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| 33 | typedef R type;
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| 34 | };
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| 35 |
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| 36 | template<typename R, typename FArgs BOOST_PP_COMMA_IF(BOOST_PP_ITERATION())
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| 37 | BOOST_PP_ENUM_PARAMS(BOOST_PP_ITERATION(),typename T)>
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| 38 | struct result_of<R (&)(BOOST_RESULT_OF_ARGS), FArgs>
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| 39 | {
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| 40 | typedef R type;
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| 41 | };
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| 42 |
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| 43 | #undef BOOST_RESULT_OF_ARGS
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| 44 |
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| 45 | #if BOOST_PP_ITERATION() > 1 && !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
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| 46 | template<typename R, typename FArgs BOOST_PP_COMMA_IF(BOOST_PP_ITERATION())
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| 47 | BOOST_PP_ENUM_PARAMS(BOOST_PP_ITERATION(),typename T)>
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| 48 | struct result_of<R (T0::*)
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| 49 | (BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_ITERATION(),T)),
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| 50 | FArgs>
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| 51 | {
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| 52 | typedef R type;
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| 53 | };
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| 54 |
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| 55 | template<typename R, typename FArgs BOOST_PP_COMMA_IF(BOOST_PP_ITERATION())
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| 56 | BOOST_PP_ENUM_PARAMS(BOOST_PP_ITERATION(),typename T)>
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| 57 | struct result_of<R (T0::*)
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| 58 | (BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_ITERATION(),T))
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| 59 | const,
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| 60 | FArgs>
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| 61 | {
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| 62 | typedef R type;
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| 63 | };
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| 64 |
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| 65 | template<typename R, typename FArgs BOOST_PP_COMMA_IF(BOOST_PP_ITERATION())
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| 66 | BOOST_PP_ENUM_PARAMS(BOOST_PP_ITERATION(),typename T)>
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| 67 | struct result_of<R (T0::*)
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| 68 | (BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_ITERATION(),T))
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| 69 | volatile,
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| 70 | FArgs>
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| 71 | {
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| 72 | typedef R type;
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| 73 | };
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| 74 |
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| 75 | template<typename R, typename FArgs BOOST_PP_COMMA_IF(BOOST_PP_ITERATION())
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| 76 | BOOST_PP_ENUM_PARAMS(BOOST_PP_ITERATION(),typename T)>
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| 77 | struct result_of<R (T0::*)
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| 78 | (BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_ITERATION(),T))
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| 79 | const volatile,
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| 80 | FArgs>
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| 81 | {
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| 82 | typedef R type;
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| 83 | };
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| 84 | #endif
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| 85 |
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| 86 | }
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