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1 /*
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2 Thor - D Metaprogramming Library
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3 version zero
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4 (c) 2004-2005 Aleksey Bobnev
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5
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6 Public Domain
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7
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8 Thanks go to:
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9 Andrei Alexandrescu - for admirable book "Modern C++ Design" and Loki library
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10 Andy Friesen - for apropos library, which actually pioneered meta-programming in D
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11 */
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12 /+module Thor.typelist;+/
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13 module addon.template_10_typelist;
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14
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15 private
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16 {
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17 /+import Thor.meta;+/
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18 import addon.template_10_meta;
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19 }
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20
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21
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22 class TypeList
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23 {
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24 alias NullT H;
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25 alias NullT T;
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26 template Length()
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27 {
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28 static const int Length = 0;
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29 }
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30 }
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31
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32 template Length(_TL : TypeList)
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33 {
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34 static const int Length = 1 + .Length!(_TL.T);
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35 }
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36
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37 template Length(_TL : NullT)
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38 {
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39 static const int Length = 0;
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40 }
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41
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42
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43 template RemoveAll(_TL : TypeList, T)
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44 {
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45 alias SelectType!(Equal!(_TL.H,T),.RemoveAll!(_TL.T,T),
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46 .Cons!(_TL.H,.RemoveAll!(_TL.T,T))
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47 ) RemoveAll;
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48 }
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49
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50 template RemoveAll(_TL : NullT, T)
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51 {
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52 alias NullT RemoveAll;
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53 }
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54
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55 template RemoveAll(_TL, T : NullT)
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56 {
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57 alias _TL RemoveAll;
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58 }
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59
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60 template TypeidPrint(_TL : TypeList)
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61 {
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62 void TypeidPrint()
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63 {
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64 typeid(_TL.H).print();
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65 .TypeidPrint!(_TL.T)();
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66 }
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67 }
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68
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69 template TypeidPrint(_T)
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70 {
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71 void TypeidPrint()
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72 {
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73 typeid(_T).print();
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74 }
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75 }
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76
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77 template TypeidPrint(_TL : NullT)
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78 {
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79 void TypeidPrint()
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80 {
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81 }
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82 }
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83
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84 /*
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85 Construct type list from head and tail
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86 typical use :
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87 Cons!(A,Cons!(B,Cons!(C,NullT)))
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88 */
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89 template Cons(_Head, _Tail : TypeList)
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90 {
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91 class Cons : TypeList
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92 {
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93 alias _Head H;
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94 alias _Tail T;
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95 template Length()
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96 {
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97 static const int Length = 1 + .Length!(T);
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98 }
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99 }
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100 }
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101
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102 template Cons(_Head : NullT, _Tail : TypeList)
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103 {
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104 class Cons : TypeList
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105 {
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106 alias _Tail.H H;
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107 alias _Tail.T T;
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108 template Length()
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109 {
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110 static const int Length = .Length!(_Tail);
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111 }
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112 }
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113 }
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114
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115 template Cons(_Head, _Tail : NullT)
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116 {
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117 class Cons : TypeList
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118 {
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119 alias _Head H;
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120 alias _Tail T;
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121 template Length()
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122 {
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123 static const int Length = 1;
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124 }
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125 }
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126 }
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127
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128 template TL(T0)
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129 {
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130 class TL : TypeList
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131 {
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132 public:
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133 alias T0 H;
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134 alias NullT T;
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135 template Length()
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136 {
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137 static const int Length = 1;
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138 }
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139 }
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140 }
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141
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142 // auto-generated up to 20 parameters
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143 template TL(T0,T1)
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144 {
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145 class TL : TypeList
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146 {
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147 public:
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148 alias T0 H;
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149 alias .TL!(T1) T;
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150 template Length()
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151 {
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152 static const int Length = 2;
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153 }
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154 }
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155 }
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156 template TL(T0,T1,T2)
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157 {
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158 class TL : TypeList
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159 {
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160 public:
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161 alias T0 H;
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162 alias .TL!(T1,T2) T;
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163 template Length()
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164 {
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165 static const int Length = 3;
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166 }
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167 }
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168 }
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169 template TL(T0,T1,T2,T3)
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170 {
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171 class TL : TypeList
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172 {
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173 public:
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174 alias T0 H;
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175 alias .TL!(T1,T2,T3) T;
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176 template Length()
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177 {
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178 static const int Length = 4;
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179 }
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180 }
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181 }
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182 template TL(T0,T1,T2,T3,T4)
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183 {
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184 class TL : TypeList
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185 {
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186 public:
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187 alias T0 H;
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188 alias .TL!(T1,T2,T3,T4) T;
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189 template Length()
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190 {
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191 static const int Length = 5;
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192 }
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193 }
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194 }
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195 template TL(T0,T1,T2,T3,T4,T5)
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196 {
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197 class TL : TypeList
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198 {
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199 public:
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200 alias T0 H;
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201 alias .TL!(T1,T2,T3,T4,T5) T;
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202 template Length()
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203 {
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204 static const int Length = 6;
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205 }
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206 }
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207 }
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208 template TL(T0,T1,T2,T3,T4,T5,T6)
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209 {
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210 class TL : TypeList
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211 {
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212 public:
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213 alias T0 H;
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214 alias .TL!(T1,T2,T3,T4,T5,T6) T;
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215 template Length()
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216 {
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217 static const int Length = 7;
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218 }
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219 }
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220 }
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221 template TL(T0,T1,T2,T3,T4,T5,T6,T7)
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222 {
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223 class TL : TypeList
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224 {
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225 public:
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226 alias T0 H;
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227 alias .TL!(T1,T2,T3,T4,T5,T6,T7) T;
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228 template Length()
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229 {
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230 static const int Length = 8;
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231 }
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232 }
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233 }
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234 template TL(T0,T1,T2,T3,T4,T5,T6,T7,T8)
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235 {
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236 class TL : TypeList
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237 {
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238 public:
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239 alias T0 H;
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240 alias .TL!(T1,T2,T3,T4,T5,T6,T7,T8) T;
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241 template Length()
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242 {
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243 static const int Length = 9;
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244 }
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245 }
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246 }
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247 template TL(T0,T1,T2,T3,T4,T5,T6,T7,T8,T9)
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248 {
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249 class TL : TypeList
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250 {
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251 public:
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252 alias T0 H;
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253 alias .TL!(T1,T2,T3,T4,T5,T6,T7,T8,T9) T;
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254 template Length()
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255 {
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256 static const int Length = 10;
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257 }
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258 }
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259 }
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260 template TL(T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10)
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261 {
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262 class TL : TypeList
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263 {
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264 public:
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265 alias T0 H;
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266 alias .TL!(T1,T2,T3,T4,T5,T6,T7,T8,T9,T10) T;
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267 template Length()
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268 {
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269 static const int Length = 11;
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270 }
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271 }
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272 }
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273 template TL(T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11)
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274 {
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275 class TL : TypeList
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276 {
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277 public:
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278 alias T0 H;
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279 alias .TL!(T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11) T;
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280 template Length()
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281 {
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282 static const int Length = 12;
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283 }
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284 }
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285 }
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286 template TL(T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12)
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287 {
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288 class TL : TypeList
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289 {
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290 public:
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291 alias T0 H;
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292 alias .TL!(T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12) T;
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293 template Length()
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294 {
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295 static const int Length = 13;
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296 }
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297 }
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298 }
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299 template TL(T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13)
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300 {
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301 class TL : TypeList
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302 {
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303 public:
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304 alias T0 H;
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305 alias .TL!(T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13) T;
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306 template Length()
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307 {
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308 static const int Length = 14;
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309 }
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310 }
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311 }
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312 template TL(T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14)
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313 {
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314 class TL : TypeList
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315 {
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316 public:
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317 alias T0 H;
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318 alias .TL!(T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14) T;
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319 template Length()
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320 {
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321 static const int Length = 15;
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322 }
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323 }
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324 }
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325 template TL(T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15)
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326 {
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327 class TL : TypeList
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328 {
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329 public:
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330 alias T0 H;
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331 alias .TL!(T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15) T;
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332 template Length()
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333 {
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334 static const int Length = 16;
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335 }
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336 }
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337 }
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338 template TL(T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16)
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339 {
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340 class TL : TypeList
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341 {
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342 public:
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343 alias T0 H;
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344 alias .TL!(T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16) T;
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345 template Length()
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346 {
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347 static const int Length = 17;
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348 }
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349 }
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350 }
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351 template TL(T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17)
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352 {
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353 class TL : TypeList
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354 {
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355 public:
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356 alias T0 H;
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357 alias .TL!(T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17) T;
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358 template Length()
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359 {
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360 static const int Length = 18;
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361 }
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362 }
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363 }
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364 template TL(T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18)
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365 {
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366 class TL : TypeList
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367 {
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368 public:
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369 alias T0 H;
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370 alias .TL!(T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18) T;
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371 template Length()
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372 {
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373 static const int Length = 19;
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374 }
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375 }
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376 }
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377 template TL(T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18,T19)
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378 {
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379 class TL : TypeList
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380 {
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381 public:
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382 alias T0 H;
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383 alias .TL!(T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18,T19) T;
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384 template Length()
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385 {
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386 static const int Length = 20;
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387 }
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388 }
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389 } |
