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1 // (C) Copyright John Maddock 2005.
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2 // Use, modification and distribution are subject to the
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3 // Boost Software License, Version 1.0. (See accompanying file
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4 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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5
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6 #ifndef BOOST_TR1_FUNCTIONAL_HPP_INCLUDED
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7 # define BOOST_TR1_FUNCTIONAL_HPP_INCLUDED
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8 # include <boost/tr1/detail/config.hpp>
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9 # include <functional>
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10
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11 #if defined(BOOST_HAS_TR1_REFERENCE_WRAPPER) \
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12 || defined(BOOST_HAS_TR1_RESULT_OF)\
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13 || defined(BOOST_HAS_TR1_MEM_FN)\
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14 || defined(BOOST_HAS_TR1_BIND)\
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15 || defined(BOOST_HAS_TR1_FUNCTION)\
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16 || defined(BOOST_HAS_TR1_HASH)
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17 # if defined(BOOST_HAS_INCLUDE_NEXT) && !defined(BOOST_TR1_DISABLE_INCLUDE_NEXT)
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18 # include_next BOOST_TR1_HEADER(functional)
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19 # else
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20 # include <boost/tr1/detail/config_all.hpp>
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21 # include BOOST_TR1_STD_HEADER(BOOST_TR1_PATH(functional))
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22 # endif
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23 #endif
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24
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25 #ifndef BOOST_HAS_TR1_REFERENCE_WRAPPER
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26
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27 #include <boost/ref.hpp>
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28
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29 namespace std{ namespace tr1{
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30
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31 using ::boost::reference_wrapper;
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32 using ::boost::ref;
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33 using ::boost::cref;
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34
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35 } }
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36
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37 #endif // BOOST_HAS_TR1_REFERENCE_WRAPPER
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38
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39 #if !defined(BOOST_HAS_TR1_RESULT_OF)\
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40 && !defined(BOOST_NO_SFINAE)
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41
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42 //
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43 // we can only actually include result_of.hpp if the compiler
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44 // really does support it, otherwise we just get endless errors...
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45 //
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46 #include <boost/utility/result_of.hpp>
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47
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48 namespace std{ namespace tr1{
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49
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50 template<class F>
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51 struct result_of
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52 : ::boost::tr1_result_of<F>
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53 {};
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54
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55 } }
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56
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57 #endif // BOOST_HAS_TR1_RESULT_OF
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58
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59 #ifndef BOOST_HAS_TR1_MEM_FN
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60 // mem_fn:
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61 #include <boost/mem_fn.hpp>
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62
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63 namespace std{ namespace tr1{
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64
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65 using boost::mem_fn;
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66
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67 } }
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68
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69 #endif // BOOST_HAS_TR1_MEM_FN
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70
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71
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72 #ifndef BOOST_HAS_TR1_BIND
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73 // Bind:
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74 #include <boost/bind.hpp>
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75
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76 namespace std{ namespace tr1{
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77
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78 using ::boost::is_bind_expression;
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79 using ::boost::is_placeholder;
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80 using ::boost::bind;
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81 namespace placeholders {
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82 #ifndef BOOST_BIND_NO_PLACEHOLDERS
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83 using ::_1;
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84 using ::_2;
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85 using ::_3;
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86 using ::_4;
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87 using ::_5;
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88 using ::_6;
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89 using ::_7;
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90 using ::_8;
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91 using ::_9;
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92 #endif
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93 } // placeholders
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94
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95 } }
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96
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97 #endif
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98
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99 #ifndef BOOST_HAS_TR1_FUNCTION
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100 // polymorphic function object wrappers:
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101 #include <boost/function.hpp>
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102 #include <boost/detail/workaround.hpp>
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103
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104 #if !BOOST_WORKAROUND(__BORLANDC__, < 0x582) \
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105 && !defined(BOOST_FUNCTION_NO_FUNCTION_TYPE_SYNTAX)
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106 namespace std{ namespace tr1{
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107
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108 using ::boost::bad_function_call;
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109 using ::boost::function;
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110 using ::boost::swap;
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111
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112 }}
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113 #endif
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114
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115 #endif // BOOST_HAS_TR1_FUNCTION
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116
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117 #ifndef BOOST_HAS_TR1_HASH
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118 //
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119 // This header can get included by boost/hash.hpp
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120 // leading to cyclic dependencies. As a workaround
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121 // we forward declare boost::hash and include
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122 // the actual header later.
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123 //
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124 namespace boost{
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125 template <class T> struct hash;
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126 }
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127
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128 namespace std{ namespace tr1{
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129 //using ::boost::hash;
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130
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131 template <class T>
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132 struct hash : public boost::hash<T>
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133 {
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134 };
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135
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136 }}
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137
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138 #include <boost/functional/hash.hpp>
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139
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140 #endif
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141
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142 #endif
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143
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