1 | //////////////////////////////////////////////////////////////////////////////
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2 | //
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3 | // (C) Copyright Ion Gaztanaga 2011-2013. Distributed under the Boost
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4 | // Software License, Version 1.0. (See accompanying file
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5 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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6 | //
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7 | // See http://www.boost.org/libs/intrusive for documentation.
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8 | //
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9 | //////////////////////////////////////////////////////////////////////////////
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10 |
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11 | // sample.h
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12 |
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13 | #if !defined(BOOST_PP_IS_ITERATING)
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14 |
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15 | #ifndef BOOST_INTRUSIVE_DETAIL_HAS_MEMBER_FUNCTION_CALLABLE_WITH_DETAILS_INCLUDED
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16 | #define BOOST_INTRUSIVE_DETAIL_HAS_MEMBER_FUNCTION_CALLABLE_WITH_DETAILS_INCLUDED
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17 |
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18 | #include <boost/intrusive/detail/config_begin.hpp>
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19 | #include <boost/intrusive/detail/workaround.hpp>
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20 | #include <boost/intrusive/detail/preprocessor.hpp>
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21 | #include <boost/intrusive/detail/mpl.hpp>
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22 | #include <boost/static_assert.hpp>
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23 | #include <boost/move/move.hpp>
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24 |
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25 | //Mark that we don't support 0 arg calls due to compiler ICE in GCC 3.4/4.0/4.1 and
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26 | //wrong SFINAE for GCC 4.2/4.3
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27 | #if defined(__GNUC__) && !defined(__clang__) && ((__GNUC__*100 + __GNUC_MINOR__*10) >= 340) && ((__GNUC__*100 + __GNUC_MINOR__*10) <= 430)
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28 | #define BOOST_INTRUSIVE_DETAIL_HAS_MEMBER_FUNCTION_CALLABLE_WITH_0_ARGS_UNSUPPORTED
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29 | #elif defined(BOOST_INTEL) && (BOOST_INTEL < 1200 )
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30 | #define BOOST_INTRUSIVE_DETAIL_HAS_MEMBER_FUNCTION_CALLABLE_WITH_0_ARGS_UNSUPPORTED
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31 | #endif
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32 |
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33 | namespace boost_intrusive_has_member_function_callable_with {
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34 |
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35 | struct dont_care
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36 | {
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37 | dont_care(...);
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38 | };
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39 |
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40 | struct private_type
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41 | {
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42 | static private_type p;
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43 | private_type const &operator,(int) const;
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44 | };
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45 |
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46 | typedef char yes_type; // sizeof(yes_type) == 1
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47 | struct no_type{ char dummy[2]; }; // sizeof(no_type) == 2
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48 |
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49 | template<typename T>
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50 | no_type is_private_type(T const &);
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51 | yes_type is_private_type(private_type const &);
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52 |
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53 | } //boost_intrusive_has_member_function_callable_with
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54 |
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55 | #include <boost/intrusive/detail/config_end.hpp>
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56 |
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57 | #endif //BOOST_INTRUSIVE_DETAIL_HAS_MEMBER_FUNCTION_CALLABLE_WITH_DETAILS_INCLUDED
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58 |
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59 | #else //!BOOST_PP_IS_ITERATING
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60 |
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61 | #ifndef BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME
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62 | #error "BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME not defined!"
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63 | #endif
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64 |
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65 | #ifndef BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_BEGIN
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66 | #error "BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_BEGIN not defined!"
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67 | #endif
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68 |
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69 | #ifndef BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_END
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70 | #error "BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_END not defined!"
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71 | #endif
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72 |
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73 | #if BOOST_PP_ITERATION_START() != 0
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74 | #error "BOOST_PP_ITERATION_START() must be zero (0)"
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75 | #endif
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76 |
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77 | #if BOOST_PP_ITERATION() == 0
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78 |
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79 | BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_BEGIN
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80 |
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81 | template <typename Type>
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82 | class BOOST_PP_CAT(has_member_function_named_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)
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83 | {
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84 | struct BaseMixin
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85 | {
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86 | void BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME();
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87 | };
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88 |
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89 | struct Base : public ::boost::intrusive::detail::remove_cv<Type>::type, public BaseMixin { Base(); };
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90 | template <typename T, T t> class Helper{};
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91 |
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92 | template <typename U>
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93 | static boost_intrusive_has_member_function_callable_with::no_type deduce
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94 | (U*, Helper<void (BaseMixin::*)(), &U::BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME>* = 0);
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95 | static boost_intrusive_has_member_function_callable_with::yes_type deduce(...);
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96 |
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97 | public:
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98 | static const bool value =
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99 | sizeof(boost_intrusive_has_member_function_callable_with::yes_type) == sizeof(deduce((Base*)(0)));
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100 | };
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101 |
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102 | #if !defined(BOOST_INTRUSIVE_PERFECT_FORWARDING)
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103 |
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104 | template<typename Fun, bool HasFunc
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105 | BOOST_PP_ENUM_TRAILING(BOOST_PP_ITERATION_FINISH(), BOOST_INTRUSIVE_PP_TEMPLATE_PARAM_VOID_DEFAULT, _)>
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106 | struct BOOST_PP_CAT(BOOST_PP_CAT(has_member_function_callable_with_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME), _impl);
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107 | //!
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108 |
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109 | template<typename Fun BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION_FINISH(), class P)>
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110 | struct BOOST_PP_CAT(BOOST_PP_CAT(has_member_function_callable_with_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME), _impl)
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111 | <Fun, false BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION_FINISH(), P)>
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112 | {
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113 | static const bool value = false;
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114 | };
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115 | //!
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116 |
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117 | #if !defined(_MSC_VER) || (_MSC_VER < 1600)
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118 |
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119 | #if defined(BOOST_INTRUSIVE_DETAIL_HAS_MEMBER_FUNCTION_CALLABLE_WITH_0_ARGS_UNSUPPORTED)
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120 |
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121 | template<typename Fun>
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122 | struct BOOST_PP_CAT(BOOST_PP_CAT(has_member_function_callable_with_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME),_impl)
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123 | <Fun, true BOOST_PP_ENUM_TRAILING(BOOST_PP_SUB(BOOST_PP_ITERATION_FINISH(), BOOST_PP_ITERATION()), BOOST_INTRUSIVE_PP_IDENTITY, void)>
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124 | {
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125 | //Mark that we don't support 0 arg calls due to compiler ICE in GCC 3.4/4.0/4.1 and
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126 | //wrong SFINAE for GCC 4.2/4.3
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127 | static const bool value = true;
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128 | };
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129 |
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130 | #else //defined(BOOST_INTRUSIVE_DETAIL_HAS_MEMBER_FUNCTION_CALLABLE_WITH_0_ARGS_UNSUPPORTED)
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131 |
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132 | //Special case for 0 args
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133 | template< class F
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134 | , std::size_t N =
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135 | sizeof((boost::move_detail::declval<F>().
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136 | BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME (), 0))>
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137 | struct BOOST_PP_CAT(zeroarg_checker_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)
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138 | {
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139 | boost_intrusive_has_member_function_callable_with::yes_type dummy;
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140 | BOOST_PP_CAT(zeroarg_checker_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)(int);
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141 | };
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142 |
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143 | //For buggy compilers like MSVC 7.1+ ((F*)0)->func() does not
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144 | //SFINAE-out the zeroarg_checker_ instantiation but sizeof yields to 0.
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145 | template<class F>
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146 | struct BOOST_PP_CAT(zeroarg_checker_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)<F, 0>
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147 | {
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148 | boost_intrusive_has_member_function_callable_with::no_type dummy;
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149 | BOOST_PP_CAT(zeroarg_checker_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)(int);
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150 | };
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151 |
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152 | template<typename Fun>
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153 | struct BOOST_PP_CAT(BOOST_PP_CAT(has_member_function_callable_with_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME),_impl)
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154 | <Fun, true BOOST_PP_ENUM_TRAILING(BOOST_PP_SUB(BOOST_PP_ITERATION_FINISH(), BOOST_PP_ITERATION()), BOOST_INTRUSIVE_PP_IDENTITY, void)>
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155 | {
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156 | template<class U>
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157 | static BOOST_PP_CAT(zeroarg_checker_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)<U>
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158 | Test(BOOST_PP_CAT(zeroarg_checker_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)<U>*);
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159 |
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160 | template <class U>
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161 | static boost_intrusive_has_member_function_callable_with::no_type Test(...);
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162 |
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163 | static const bool value = sizeof(Test< Fun >(0))
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164 | == sizeof(boost_intrusive_has_member_function_callable_with::yes_type);
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165 | };
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166 | #endif //defined(BOOST_INTRUSIVE_DETAIL_HAS_MEMBER_FUNCTION_CALLABLE_WITH_0_ARGS_UNSUPPORTED)
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167 |
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168 | #else //#if !defined(_MSC_VER) || (_MSC_VER < 1600)
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169 | template<typename Fun>
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170 | struct BOOST_PP_CAT(BOOST_PP_CAT(has_member_function_callable_with_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME),_impl)
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171 | <Fun, true BOOST_PP_ENUM_TRAILING(BOOST_PP_SUB(BOOST_PP_ITERATION_FINISH(), BOOST_PP_ITERATION()), BOOST_INTRUSIVE_PP_IDENTITY, void)>
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172 | {
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173 | template<class U>
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174 | static decltype( boost::move_detail::declval<Fun>().BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME()
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175 | , boost_intrusive_has_member_function_callable_with::yes_type())
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176 | Test(Fun*);
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177 |
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178 | template<class U>
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179 | static boost_intrusive_has_member_function_callable_with::no_type Test(...);
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180 |
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181 | static const bool value = sizeof(Test<Fun>(0))
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182 | == sizeof(boost_intrusive_has_member_function_callable_with::yes_type);
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183 | };
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184 | #endif //#if !defined(_MSC_VER) || (_MSC_VER < 1600)
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185 |
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186 | #else //#if !defined(BOOST_INTRUSIVE_PERFECT_FORWARDING)
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187 |
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188 | template<typename Fun, bool HasFunc, class ...Args>
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189 | struct BOOST_PP_CAT(BOOST_PP_CAT(has_member_function_callable_with_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME),_impl);
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190 |
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191 | template<typename Fun, class ...Args>
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192 | struct BOOST_PP_CAT(BOOST_PP_CAT(has_member_function_callable_with_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME),_impl)
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193 | <Fun, false, Args...>
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194 | {
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195 | static const bool value = false;
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196 | };
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197 |
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198 | //Special case for 0 args
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199 | template< class F
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200 | , std::size_t N =
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201 | sizeof((boost::move_detail::declval<F>().
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202 | BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME (), 0))>
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203 | struct BOOST_PP_CAT(zeroarg_checker_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)
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204 | {
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205 | boost_intrusive_has_member_function_callable_with::yes_type dummy;
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206 | BOOST_PP_CAT(zeroarg_checker_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)(int);
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207 | };
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208 |
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209 | //For buggy compilers like MSVC 7.1+ ((F*)0)->func() does not
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210 | //SFINAE-out the zeroarg_checker_ instantiation but sizeof yields to 0.
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211 | template<class F>
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212 | struct BOOST_PP_CAT(zeroarg_checker_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)<F, 0>
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213 | {
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214 | boost_intrusive_has_member_function_callable_with::no_type dummy;
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215 | BOOST_PP_CAT(zeroarg_checker_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)(int);
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216 | };
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217 |
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218 | template<typename Fun>
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219 | struct BOOST_PP_CAT(BOOST_PP_CAT(has_member_function_callable_with_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME),_impl)
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220 | <Fun, true>
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221 | {
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222 | template<class U>
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223 | static BOOST_PP_CAT(zeroarg_checker_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)
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224 | <U> Test(BOOST_PP_CAT(zeroarg_checker_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)<U>*);
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225 |
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226 | template <class U>
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227 | static boost_intrusive_has_member_function_callable_with::no_type Test(...);
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228 |
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229 | static const bool value = sizeof(Test< Fun >(0))
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230 | == sizeof(boost_intrusive_has_member_function_callable_with::yes_type);
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231 | };
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232 |
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233 | template<typename Fun, class ...DontCares>
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234 | struct BOOST_PP_CAT( funwrap_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME )
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235 | : Fun
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236 | {
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237 | BOOST_PP_CAT( funwrap_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME )();
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238 | using Fun::BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME;
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239 |
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240 | boost_intrusive_has_member_function_callable_with::private_type
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241 | BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME
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242 | ( DontCares...) const;
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243 | };
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244 |
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245 | template<typename Fun, class ...Args>
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246 | struct BOOST_PP_CAT( BOOST_PP_CAT(has_member_function_callable_with_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME), _impl)
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247 | <Fun, true , Args...>
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248 | {
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249 | template<class T>
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250 | struct make_dontcare
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251 | {
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252 | typedef boost_intrusive_has_member_function_callable_with::dont_care type;
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253 | };
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254 |
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255 | typedef BOOST_PP_CAT( funwrap_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME )
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256 | <Fun, typename make_dontcare<Args>::type...> FunWrap;
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257 |
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258 | static bool const value = (sizeof(boost_intrusive_has_member_function_callable_with::no_type) ==
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259 | sizeof(boost_intrusive_has_member_function_callable_with::is_private_type
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260 | ( (::boost::move_detail::declval< FunWrap >().
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261 | BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME
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262 | ( ::boost::move_detail::declval<Args>()... ), 0) )
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263 | )
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264 | );
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265 | };
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266 |
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267 | template<typename Fun, class ...Args>
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268 | struct BOOST_PP_CAT( has_member_function_callable_with_
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269 | , BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)
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270 | : public BOOST_PP_CAT( BOOST_PP_CAT(has_member_function_callable_with_
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271 | , BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME),_impl)
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272 | < Fun
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273 | , BOOST_PP_CAT( has_member_function_named_
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274 | , BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME )<Fun>::value
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275 | , Args... >
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276 | {};
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277 |
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278 | #endif //#if !defined(BOOST_INTRUSIVE_PERFECT_FORWARDING)
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279 |
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280 | BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_END
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281 |
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282 | #else //BOOST_PP_ITERATION() == 0
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283 |
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284 | #if !defined(BOOST_INTRUSIVE_PERFECT_FORWARDING)
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285 |
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286 | BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_BEGIN
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287 |
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288 | template<typename Fun>
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289 | struct BOOST_PP_CAT( BOOST_PP_CAT(funwrap, BOOST_PP_ITERATION())
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290 | , BOOST_PP_CAT(_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME))
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291 | : Fun
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292 | {
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293 | BOOST_PP_CAT( BOOST_PP_CAT(funwrap, BOOST_PP_ITERATION())
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294 | , BOOST_PP_CAT(_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME))();
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295 |
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296 | using Fun::BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME;
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297 | boost_intrusive_has_member_function_callable_with::private_type
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298 | BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME
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299 | ( BOOST_PP_ENUM(BOOST_PP_ITERATION()
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300 | , BOOST_INTRUSIVE_PP_IDENTITY
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301 | , boost_intrusive_has_member_function_callable_with::dont_care)) const;
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302 | };
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303 |
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304 | template<typename Fun BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION(), class P)>
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305 | struct BOOST_PP_CAT( BOOST_PP_CAT(has_member_function_callable_with_
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306 | , BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME),_impl)
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307 | <Fun, true
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308 | BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION(), P)
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309 | BOOST_PP_ENUM_TRAILING( BOOST_PP_SUB(BOOST_PP_ITERATION_FINISH(), BOOST_PP_ITERATION())
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310 | , BOOST_INTRUSIVE_PP_IDENTITY
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311 | , void)>
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312 | {
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313 | typedef BOOST_PP_CAT( BOOST_PP_CAT(funwrap, BOOST_PP_ITERATION())
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314 | , BOOST_PP_CAT(_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME))<Fun>
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315 | FunWrap;
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316 | static bool const value =
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317 | (sizeof(boost_intrusive_has_member_function_callable_with::no_type) ==
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318 | sizeof(boost_intrusive_has_member_function_callable_with::is_private_type
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319 | ( (boost::move_detail::declval<FunWrap>().
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320 | BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME
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321 | ( BOOST_PP_ENUM( BOOST_PP_ITERATION(), BOOST_INTRUSIVE_PP_DECLVAL, _) ), 0
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322 | )
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323 | )
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324 | )
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325 | );
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326 | };
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327 |
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328 | BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_END
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329 | #endif //#if !defined(BOOST_INTRUSIVE_PERFECT_FORWARDING)
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330 |
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331 | #endif //BOOST_PP_ITERATION() == 0
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332 |
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333 | #if BOOST_PP_ITERATION() == BOOST_PP_ITERATION_FINISH()
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334 |
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335 | #if !defined(BOOST_INTRUSIVE_PERFECT_FORWARDING)
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336 |
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337 | BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_BEGIN
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338 |
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339 | template<typename Fun
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340 | BOOST_PP_ENUM_TRAILING(BOOST_PP_ITERATION_FINISH(), BOOST_INTRUSIVE_PP_TEMPLATE_PARAM_VOID_DEFAULT, _)>
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341 | struct BOOST_PP_CAT(has_member_function_callable_with_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)
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342 | : public BOOST_PP_CAT(BOOST_PP_CAT(has_member_function_callable_with_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME), _impl)
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343 | <Fun, BOOST_PP_CAT(has_member_function_named_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)<Fun>::value
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344 | BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION_FINISH(), P) >
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345 | {};
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346 |
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347 | BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_END
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348 |
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349 | #endif //#if !defined(BOOST_INTRUSIVE_PERFECT_FORWARDING)
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350 |
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351 | #undef BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME
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352 | #undef BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_BEGIN
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353 | #undef BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_END
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354 |
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355 | #endif //#if BOOST_PP_ITERATION() == BOOST_PP_ITERATION_FINISH()
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356 |
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357 | #endif //!BOOST_PP_IS_ITERATING
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