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1 /*
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2 Author: Frank Mori Hess <fmhess@users.sourceforge.net>
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3 Begin: 2007-01-23
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4 */
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5 // Copyright Frank Mori Hess 2007-2008
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6 // Use, modification and
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7 // distribution is subject to the Boost Software License, Version
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8 // 1.0. (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 #ifndef BOOST_SIGNALS2_SIGNALS_COMMON_MACROS_HPP
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12 #define BOOST_SIGNALS2_SIGNALS_COMMON_MACROS_HPP
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13
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14 #include <boost/config.hpp>
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15
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16 #ifdef BOOST_NO_CXX11_VARIADIC_TEMPLATES
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17
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18 #ifndef BOOST_SIGNALS2_MAX_ARGS
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19 #define BOOST_SIGNALS2_MAX_ARGS 9
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20 #endif
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21
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22 // signaln
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23 #define BOOST_SIGNALS2_SIGNAL_CLASS_NAME(arity) BOOST_PP_CAT(signal, arity)
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24 // weak_signaln
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25 #define BOOST_SIGNALS2_WEAK_SIGNAL_CLASS_NAME(arity) BOOST_PP_CAT(weak_, BOOST_SIGNALS2_SIGNAL_CLASS_NAME(arity))
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26 // signaln_impl
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27 #define BOOST_SIGNALS2_SIGNAL_IMPL_CLASS_NAME(arity) BOOST_PP_CAT(BOOST_SIGNALS2_SIGNAL_CLASS_NAME(arity), _impl)
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28 // argn
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29 #define BOOST_SIGNALS2_SIGNATURE_ARG_NAME(z, n, data) BOOST_PP_CAT(arg, BOOST_PP_INC(n))
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30 // Tn argn
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31 #define BOOST_SIGNALS2_SIGNATURE_FULL_ARG(z, n, data) \
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32 BOOST_PP_CAT(T, BOOST_PP_INC(n)) BOOST_SIGNALS2_SIGNATURE_ARG_NAME(~, n, ~)
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33 // T1 arg1, T2 arg2, ..., Tn argn
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34 #define BOOST_SIGNALS2_SIGNATURE_FULL_ARGS(arity) \
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35 BOOST_PP_ENUM(arity, BOOST_SIGNALS2_SIGNATURE_FULL_ARG, ~)
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36 // arg1, arg2, ..., argn
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37 #define BOOST_SIGNALS2_SIGNATURE_ARG_NAMES(arity) BOOST_PP_ENUM(arity, BOOST_SIGNALS2_SIGNATURE_ARG_NAME, ~)
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38 // T1, T2, ..., TN
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39 #define BOOST_SIGNALS2_ARGS_TEMPLATE_INSTANTIATION(arity) \
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40 BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_INC(arity), T)
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41 // R (T1, T2, ..., TN)
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42 #define BOOST_SIGNALS2_SIGNATURE_FUNCTION_TYPE(arity) \
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43 R ( BOOST_SIGNALS2_ARGS_TEMPLATE_INSTANTIATION(arity) )
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44 // typename prefixR, typename prefixT1, typename prefixT2, ..., typename prefixTN
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45 #define BOOST_SIGNALS2_PREFIXED_SIGNATURE_TEMPLATE_DECL(arity, prefix) \
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46 typename BOOST_PP_CAT(prefix, R) BOOST_PP_COMMA_IF(arity) \
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47 BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_INC(arity), typename BOOST_PP_CAT(prefix, T))
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48 // typename R, typename T1, typename T2, ..., typename TN
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49 #define BOOST_SIGNALS2_SIGNATURE_TEMPLATE_DECL(arity) \
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50 typename R BOOST_PP_COMMA_IF(arity) \
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51 BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_INC(arity), typename T)
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52 // typename prefixT1, typename prefixT2, ..., typename prefixTN
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53 #define BOOST_SIGNALS2_PREFIXED_ARGS_TEMPLATE_DECL(arity, prefix) \
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54 BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_INC(arity), typename BOOST_PP_CAT(prefix, T))
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55 // typename T1, typename T2, ..., typename TN
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56 #define BOOST_SIGNALS2_ARGS_TEMPLATE_DECL(arity) \
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57 BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_INC(arity), typename T)
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58 // prefixR, prefixT1, prefixT2, ..., prefixTN
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59 #define BOOST_SIGNALS2_PREFIXED_SIGNATURE_TEMPLATE_INSTANTIATION(arity, prefix) \
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60 BOOST_PP_CAT(prefix, R) BOOST_PP_COMMA_IF(arity) BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_INC(arity), BOOST_PP_CAT(prefix, T))
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61 // R, T1, T2, ..., TN
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62 #define BOOST_SIGNALS2_SIGNATURE_TEMPLATE_INSTANTIATION(arity) \
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63 R BOOST_PP_COMMA_IF(arity) BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_INC(arity), T)
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64 // boost::functionN<R, T1, T2, ..., TN>
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65 #define BOOST_SIGNALS2_FUNCTION_N_DECL(arity) BOOST_PP_CAT(boost::function, arity)<\
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66 BOOST_SIGNALS2_SIGNATURE_TEMPLATE_INSTANTIATION(arity) >
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67 // R, const boost::signals2::connection&, T1, T2, ..., TN
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68 #define BOOST_SIGNALS2_EXT_SLOT_TEMPLATE_INSTANTIATION(arity) \
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69 R, const boost::signals2::connection& BOOST_PP_COMMA_IF(arity) \
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70 BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_INC(arity), T)
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71 // boost::functionN<R, const boost::signals2::connection &, T1, T2, ..., TN>
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72 #define BOOST_SIGNALS2_EXT_FUNCTION_N_DECL(arity) BOOST_PP_CAT(boost::function, BOOST_PP_INC(arity))<\
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73 BOOST_SIGNALS2_EXT_SLOT_TEMPLATE_INSTANTIATION(arity) >
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74 // slotN
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75 #define BOOST_SIGNALS2_SLOT_CLASS_NAME(arity) BOOST_PP_CAT(slot, arity)
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76 // slotN+1<R, const connection &, T1, T2, ..., TN, extended_slot_function_type>
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77 #define BOOST_SIGNALS2_EXTENDED_SLOT_TYPE(arity) \
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78 BOOST_SIGNALS2_SLOT_CLASS_NAME(BOOST_PP_INC(arity))< \
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79 BOOST_SIGNALS2_EXT_SLOT_TEMPLATE_INSTANTIATION(arity), \
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80 extended_slot_function_type>
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81 // bound_extended_slot_functionN
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82 #define BOOST_SIGNALS2_BOUND_EXTENDED_SLOT_FUNCTION_N(arity) BOOST_PP_CAT(bound_extended_slot_function, arity)
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83 // bound_extended_slot_function_helperN
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84 #define BOOST_SIGNALS2_BOUND_EXTENDED_SLOT_FUNCTION_INVOKER_N(arity) BOOST_PP_CAT(bound_extended_slot_function_invoker, arity)
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85 // typename function_traits<Signature>::argn_type
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86 #define BOOST_SIGNALS2_SIGNATURE_TO_ARGN_TYPE(z, n, Signature) \
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87 BOOST_PP_CAT(BOOST_PP_CAT(typename function_traits<Signature>::arg, BOOST_PP_INC(n)), _type)
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88 // typename function_traits<Signature>::result_type,
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89 // typename function_traits<Signature>::arg1_type,
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90 // typename function_traits<Signature>::arg2_type,
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91 // ...,
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92 // typename function_traits<Signature>::argn_type
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93 #define BOOST_SIGNALS2_PORTABLE_SIGNATURE(arity, Signature) \
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94 typename function_traits<Signature>::result_type \
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95 BOOST_PP_COMMA_IF(arity) BOOST_PP_ENUM(arity, BOOST_SIGNALS2_SIGNATURE_TO_ARGN_TYPE, Signature)
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96 // prefixTn & argn
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97 #define BOOST_SIGNALS2_PREFIXED_FULL_REF_ARG(z, n, prefix) \
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98 BOOST_PP_CAT(BOOST_PP_CAT(prefix, T), BOOST_PP_INC(n)) & BOOST_SIGNALS2_SIGNATURE_ARG_NAME(~, n, ~)
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99 // prefixT1 & arg1, prefixT2 & arg2, ..., prefixTn & argn
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100 #define BOOST_SIGNALS2_PREFIXED_FULL_REF_ARGS(arity, prefix) \
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101 BOOST_PP_ENUM(arity, BOOST_SIGNALS2_PREFIXED_FULL_REF_ARG, prefix)
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102 // Tn & argn
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103 #define BOOST_SIGNALS2_FULL_CREF_ARG(z, n, data) \
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104 const BOOST_PP_CAT(T, BOOST_PP_INC(n)) & BOOST_SIGNALS2_SIGNATURE_ARG_NAME(~, n, ~)
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105 // const T1 & arg1, const T2 & arg2, ..., const Tn & argn
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106 #define BOOST_SIGNALS2_FULL_FORWARD_ARGS(arity) \
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107 BOOST_PP_ENUM(arity, BOOST_SIGNALS2_FULL_CREF_ARG, ~)
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108 #define BOOST_SIGNALS2_FORWARDED_ARGS(arity) \
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109 BOOST_SIGNALS2_SIGNATURE_ARG_NAMES(arity)
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110 // preprocessed_arg_typeN
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111 #define BOOST_SIGNALS2_PREPROCESSED_ARG_N_TYPE_CLASS_NAME(arity) BOOST_PP_CAT(preprocessed_arg_type, arity)
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112
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113 // typename R, typename T1, typename T2, ..., typename TN, typename SlotFunction
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114 #define BOOST_SIGNALS2_SLOT_TEMPLATE_SPECIALIZATION_DECL(arity) \
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115 BOOST_SIGNALS2_SIGNATURE_TEMPLATE_DECL(arity), \
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116 typename SlotFunction
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117 #define BOOST_SIGNALS2_SLOT_TEMPLATE_SPECIALIZATION
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118
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119 // typename R, typename T1, typename T2, ..., typename TN, typename Combiner, ...
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120 #define BOOST_SIGNALS2_SIGNAL_TEMPLATE_DECL(arity) \
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121 BOOST_SIGNALS2_SIGNATURE_TEMPLATE_DECL(arity), \
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122 typename Combiner, \
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123 typename Group, \
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124 typename GroupCompare, \
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125 typename SlotFunction, \
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126 typename ExtendedSlotFunction, \
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127 typename Mutex
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128 // typename R, typename T1, typename T2, ..., typename TN, typename Combiner = optional_last_value<R>, ...
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129 #define BOOST_SIGNALS2_SIGNAL_TEMPLATE_DEFAULTED_DECL(arity) \
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130 BOOST_SIGNALS2_SIGNATURE_TEMPLATE_DECL(arity), \
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131 typename Combiner = optional_last_value<R>, \
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132 typename Group = int, \
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133 typename GroupCompare = std::less<Group>, \
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134 typename SlotFunction = BOOST_SIGNALS2_FUNCTION_N_DECL(arity), \
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135 typename ExtendedSlotFunction = BOOST_SIGNALS2_EXT_FUNCTION_N_DECL(arity), \
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136 typename Mutex = signals2::mutex
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137 #define BOOST_SIGNALS2_SIGNAL_TEMPLATE_SPECIALIZATION_DECL(arity) BOOST_SIGNALS2_SIGNAL_TEMPLATE_DECL(arity)
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138 #define BOOST_SIGNALS2_SIGNAL_TEMPLATE_SPECIALIZATION
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139
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140 #define BOOST_SIGNALS2_STD_FUNCTIONAL_BASE(result_type) std_functional_base
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141
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142 #define BOOST_SIGNALS2_PP_COMMA_IF(arity) BOOST_PP_COMMA_IF(arity)
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143
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144 #else // BOOST_NO_CXX11_VARIADIC_TEMPLATES
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145
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146 #define BOOST_SIGNALS2_SIGNAL_CLASS_NAME(arity) signal
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147 #define BOOST_SIGNALS2_WEAK_SIGNAL_CLASS_NAME(arity) weak_signal
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148 #define BOOST_SIGNALS2_SIGNAL_IMPL_CLASS_NAME(arity) signal_impl
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149 #define BOOST_SIGNALS2_SIGNATURE_TEMPLATE_DECL(arity) typename Signature
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150 #define BOOST_SIGNALS2_ARGS_TEMPLATE_INSTANTIATION(arity) Args...
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151 #define BOOST_SIGNALS2_SIGNATURE_TEMPLATE_INSTANTIATION(arity) R (Args...)
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152 #define BOOST_SIGNALS2_SIGNATURE_FUNCTION_TYPE(arity) R (Args...)
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153 #define BOOST_SIGNALS2_ARGS_TEMPLATE_DECL(arity) typename ... Args
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154 #define BOOST_SIGNALS2_FULL_FORWARD_ARGS(arity) Args && ... args
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155 #define BOOST_SIGNALS2_FORWARDED_ARGS(arity) std::forward<Args>(args)...
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156 #define BOOST_SIGNALS2_SLOT_CLASS_NAME(arity) slot
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157 #define BOOST_SIGNALS2_EXTENDED_SLOT_TYPE(arity) slot<R (const connection &, Args...), extended_slot_function_type>
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158 #define BOOST_SIGNALS2_BOUND_EXTENDED_SLOT_FUNCTION_N(arity) bound_extended_slot_function
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159 #define BOOST_SIGNALS2_BOUND_EXTENDED_SLOT_FUNCTION_INVOKER_N(arity) bound_extended_slot_function_invoker
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160 #define BOOST_SIGNALS2_FUNCTION_N_DECL(arity) boost::function<Signature>
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161 #define BOOST_SIGNALS2_PREFIXED_SIGNATURE_TEMPLATE_DECL(arity, prefix) typename prefixSignature
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162 #define BOOST_SIGNALS2_PREFIXED_SIGNATURE_TEMPLATE_INSTANTIATION(arity, prefix) prefixSignature
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163 #define BOOST_SIGNALS2_SIGNATURE_FULL_ARGS(arity) Args ... args
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164 #define BOOST_SIGNALS2_SIGNATURE_ARG_NAMES(arity) args...
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165 #define BOOST_SIGNALS2_PORTABLE_SIGNATURE(arity, Signature) Signature
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166
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167 #define BOOST_SIGNALS2_SLOT_TEMPLATE_SPECIALIZATION_DECL(arity) \
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168 typename SlotFunction, \
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169 typename R, \
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170 typename ... Args
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171 #define BOOST_SIGNALS2_SLOT_TEMPLATE_SPECIALIZATION \
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172 <R (Args...), SlotFunction>
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173
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174 #define BOOST_SIGNALS2_SIGNAL_TEMPLATE_DECL(arity) \
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175 typename Signature, \
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176 typename Combiner, \
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177 typename Group, \
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178 typename GroupCompare, \
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179 typename SlotFunction, \
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180 typename ExtendedSlotFunction, \
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181 typename Mutex
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182 #define BOOST_SIGNALS2_SIGNAL_TEMPLATE_DEFAULTED_DECL(arity) \
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183 typename Signature, \
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184 typename Combiner = optional_last_value<typename boost::function_traits<Signature>::result_type>, \
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185 typename Group = int, \
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186 typename GroupCompare = std::less<Group>, \
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187 typename SlotFunction = boost::function<Signature>, \
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188 typename ExtendedSlotFunction = typename detail::variadic_extended_signature<Signature>::function_type, \
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189 typename Mutex = signals2::mutex
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190 #define BOOST_SIGNALS2_SIGNAL_TEMPLATE_SPECIALIZATION_DECL(arity) \
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191 typename Combiner, \
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192 typename Group, \
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193 typename GroupCompare, \
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194 typename SlotFunction, \
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195 typename ExtendedSlotFunction, \
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196 typename Mutex, \
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197 typename R, \
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198 typename ... Args
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199 #define BOOST_SIGNALS2_SIGNAL_TEMPLATE_SPECIALIZATION <\
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200 R (Args...), \
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201 Combiner, \
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202 Group, \
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203 GroupCompare, \
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204 SlotFunction, \
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205 ExtendedSlotFunction, \
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206 Mutex>
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207
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208 #define BOOST_SIGNALS2_STD_FUNCTIONAL_BASE(result_type) \
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209 std_functional_base<result_type , Args...>
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210
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211 #define BOOST_SIGNALS2_PP_COMMA_IF(arity) ,
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212
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213 #endif // BOOST_NO_CXX11_VARIADIC_TEMPLATES
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214
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215 #endif // BOOST_SIGNALS2_SIGNALS_COMMON_MACROS_HPP
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