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1 // -- operator_actions.hpp - Boost Lambda Library ----------------------
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2
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3 // Copyright (C) 1999, 2000 Jaakko Jarvi (jaakko.jarvi@cs.utu.fi)
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4 //
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5 // Distributed under the Boost Software License, Version 1.0. (See
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6 // accompanying file LICENSE_1_0.txt or copy at
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7 // http://www.boost.org/LICENSE_1_0.txt)
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8
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9 // For more information, see http://lambda.cs.utu.fi
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10
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11 #ifndef BOOST_LAMBDA_OPERATOR_ACTIONS_HPP
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12 #define BOOST_LAMBDA_OPERATOR_ACTIONS_HPP
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13
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14 namespace boost {
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15 namespace lambda {
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16
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17
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18 // -- artihmetic ----------------------
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19
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20 class plus_action {};
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21 class minus_action {};
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22 class multiply_action {};
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23 class divide_action {};
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24 class remainder_action {};
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25
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26 // -- bitwise -------------------
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27
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28 class leftshift_action {};
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29 class rightshift_action {};
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30 class xor_action {};
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31
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32
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33 // -- bitwise/logical -------------------
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34
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35 class and_action {};
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36 class or_action {};
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37 class not_action {};
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38
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39 // -- relational -------------------------
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40
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41 class less_action {};
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42 class greater_action {};
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43 class lessorequal_action {};
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44 class greaterorequal_action {};
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45 class equal_action {};
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46 class notequal_action {};
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47
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48 // -- increment/decrement ------------------------------
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49
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50 class increment_action {};
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51 class decrement_action {};
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52
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53 // -- void return ------------------------------
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54
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55 // -- other ------------------------------
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56
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57 class addressof_action {};
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58 // class comma_action {}; // defined in actions.hpp
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59 class contentsof_action {};
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60 // class member_pointer_action {}; (defined in member_ptr.hpp)
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61
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62
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63 // -- actioun group templates --------------------
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64
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65 template <class Action> class arithmetic_action;
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66 template <class Action> class bitwise_action;
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67 template <class Action> class logical_action;
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68 template <class Action> class relational_action;
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69 template <class Action> class arithmetic_assignment_action;
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70 template <class Action> class bitwise_assignment_action;
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71 template <class Action> class unary_arithmetic_action;
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72 template <class Action> class pre_increment_decrement_action;
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73 template <class Action> class post_increment_decrement_action;
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74
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75 // ---------------------------------------------------------
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76
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77 // actions, for which the existence of protect is checked in return type
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78 // deduction.
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79
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80 template <class Act> struct is_protectable<arithmetic_action<Act> > {
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81 BOOST_STATIC_CONSTANT(bool, value = true);
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82 };
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83 template <class Act> struct is_protectable<bitwise_action<Act> > {
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84 BOOST_STATIC_CONSTANT(bool, value = true);
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85 };
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86 template <class Act> struct is_protectable<logical_action<Act> > {
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87 BOOST_STATIC_CONSTANT(bool, value = true);
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88 };
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89 template <class Act> struct is_protectable<relational_action<Act> > {
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90 BOOST_STATIC_CONSTANT(bool, value = true);
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91 };
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92 template <class Act>
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93 struct is_protectable<arithmetic_assignment_action<Act> > {
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94 BOOST_STATIC_CONSTANT(bool, value = true);
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95 };
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96 template <class Act> struct is_protectable<bitwise_assignment_action<Act> > {
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97 BOOST_STATIC_CONSTANT(bool, value = true);
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98 };
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99 template <class Act> struct is_protectable<unary_arithmetic_action<Act> > {
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100 BOOST_STATIC_CONSTANT(bool, value = true);
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101 };
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102 template <class Act>
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103 struct is_protectable<pre_increment_decrement_action<Act> > {
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104 BOOST_STATIC_CONSTANT(bool, value = true);
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105 };
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106 template <class Act> struct
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107 is_protectable<post_increment_decrement_action<Act> > {
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108 BOOST_STATIC_CONSTANT(bool, value = true);
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109 };
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110
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111 template <> struct is_protectable<other_action<addressof_action> > {
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112 BOOST_STATIC_CONSTANT(bool, value = true);
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113 };
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114 template <> struct is_protectable<other_action<contentsof_action> > {
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115 BOOST_STATIC_CONSTANT(bool, value = true);
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116 };
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117
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118 template<> struct is_protectable<other_action<subscript_action> > {
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119 BOOST_STATIC_CONSTANT(bool, value = true);
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120 };
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121 template<> struct is_protectable<other_action<assignment_action> > {
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122 BOOST_STATIC_CONSTANT(bool, value = true);
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123 };
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124
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125 // NOTE: comma action is also protectable, but the specialization is
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126 // in actions.hpp
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127
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128
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129 } // namespace lambda
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130 } // namespace boost
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131
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132 #endif
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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
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139
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