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annotate orange/util/Traits.d @ 17:c4e7e64ffb67

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Changed toData/fromData to take an instance of the serializer instead of the archive.
author Jacob Carlborg <doob@me.com>
date Sun, 08 Aug 2010 21:59:59 +0200
parents 11a31bd929f9
children 78e5fef4bbf2
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1 /**
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2 * Copyright: Copyright (c) 2010 Jacob Carlborg.
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3 * Authors: Jacob Carlborg
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4 * Version: Initial created: Jan 26, 2010
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5 * License: $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost Software License 1.0)
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6 */
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7 module orange.util.Traits;
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8
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9 import orange.serialization.Serializable;
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10 import orange.serialization.archives.Archive;
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11 import orange.util._;
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12
1
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13 version (Tango)
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14 {
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15 import Tango = tango.core.Traits;
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16 alias Tango.BaseTypeTupleOf BaseTypeTupleOf;
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17 alias Tango.ParameterTupleOf ParameterTupleOf;
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18 alias Tango.ReturnTypeOf ReturnTypeOf;
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19 }
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20
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21 else
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22 {
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23 import Phobos = std.traits;
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24 alias Phobos.BaseTypeTuple BaseTypeTupleOf;
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25 alias Phobos.ParameterTypeTuple ParameterTupleOf;
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26 alias Phobos.ReturnType ReturnTypeOf;
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27
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28 version = Phobos;
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29 }
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30
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31 template isPrimitive (T)
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32 {
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33 const bool isPrimitive = is(T == bool) ||
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34 is(T == byte) ||
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35 is(T == cdouble) ||
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36 //is(T == cent) ||
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37 is(T == cfloat) ||
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38 is(T == char) ||
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39 is(T == creal) ||
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40 is(T == dchar) ||
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41 is(T == double) ||
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42 is(T == float) ||
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43 is(T == idouble) ||
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44 is(T == ifloat) ||
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45 is(T == int) ||
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46 is(T == ireal) ||
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47 is(T == long) ||
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48 is(T == real) ||
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49 is(T == short) ||
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50 is(T == ubyte) ||
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51 //is(T == ucent) ||
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52 is(T == uint) ||
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53 is(T == ulong) ||
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54 is(T == ushort) ||
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55 is(T == wchar);
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56 }
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57
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58 template isChar (T)
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59 {
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60 const bool isChar = is(T == char) || is(T == wchar) || is(T == dchar);
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61 }
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62
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63 template isClass (T)
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64 {
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65 const bool isClass = is(T == class);
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66 }
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67
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68 template isInterface (T)
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69 {
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70 const bool isInterface = is(T == interface);
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71 }
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72
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73 template isObject (T)
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74 {
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75 const bool isObject = isClass!(T) || isInterface!(T);
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76 }
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77
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78 template isStruct (T)
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79 {
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80 const bool isStruct = is(T == struct);
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81 }
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82
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83 template isArray (T)
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84 {
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85 static if (is(T U : U[]))
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86 const bool isArray = true;
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87
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88 else
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89 const bool isArray = false;
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90 }
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91
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92 template isString (T)
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93 {
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94 const bool isString = is(T : char[]) || is(T : wchar[]) || is(T : dchar[]);
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95 }
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96
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97 template isAssociativeArray (T)
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98 {
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99 const bool isAssociativeArray = is(typeof(T.init.values[0])[typeof(T.init.keys[0])] == T);
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100 }
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101
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102 template isPointer (T)
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103 {
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104 static if (is(T U : U*))
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105 const bool isPointer = true;
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106
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107 else
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108 const bool isPointer = false;
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109 }
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110
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111 template isFunctionPointer (T)
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112 {
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113 const bool isFunctionPointer = is(typeof(*T) == function);
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114 }
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115
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116 template isEnum (T)
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117 {
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118 const bool isEnum = is(T == enum);
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119 }
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120
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121 template isReference (T)
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122 {
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123 const bool isReference = isObject!(T) || isPointer!(T);
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124 }
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125
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126 template isTypeDef (T)
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127 {
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128 const bool isTypeDef = is(T == typedef);
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129 }
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130
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131 template isVoid (T)
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132 {
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133 const bool isVoid = is(T == void);
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134 }
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135
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136 template BaseTypeOfArray (T)
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137 {
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138 static if (is(T U : U[]))
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139 alias BaseTypeOfArray!(U) BaseTypeOfArray;
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140
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141 else
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142 alias T BaseTypeOfArray;
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143 }
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144
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145 template BaseTypeOfPointer (T)
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146 {
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147 static if (is(T U : U*))
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148 alias BaseTypeOfPointer!(U) BaseTypeOfPointer;
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149
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150 else
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151 alias T BaseTypeOfPointer;
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152 }
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153
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154 template BaseTypeOfTypeDef (T)
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155 {
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156 static if (is(T U == typedef))
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157 alias BaseTypeOfTypeDef!(U) BaseTypeOfTypeDef;
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158
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159 else
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160 alias T BaseTypeOfTypeDef;
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161 }
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162
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163 template KeyTypeOfAssociativeArray (T)
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164 {
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165 static assert(isAssociativeArray!(T), "The type needs to be an associative array");
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166 alias typeof(T.init.keys[0]) KeyTypeOfAssociativeArray;
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167 }
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168
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169 template ValueTypeOfAssociativeArray (T)
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170 {
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171 static assert(isAssociativeArray!(T), "The type needs to be an associative array");
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172 alias typeof(T.init.values[0]) ValueTypeOfAssociativeArray;
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173 }
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174
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175 template isArchive (T)
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176 {
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177 const isArchive = is(typeof({
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178 alias T.DataType Foo;
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179 })) &&
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180
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181 is(typeof(T.archive(0, TypeOfDataType!(T).init, {}))) &&
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182 is(typeof(T.unarchive!(int))) &&
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183 is(typeof(T.beginArchiving)) &&
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184 is(typeof(T.beginUnarchiving(TypeOfDataType!(T).init))) &&
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185 is(typeof(T.archiveBaseClass!(Object))) &&
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186 is(typeof(T.unarchiveBaseClass!(Object))) &&
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187 is(typeof(T.reset)) &&
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188 is(typeof({TypeOfDataType!(T) a = T.data;})) &&
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189 is(typeof(T.unarchiveAssociativeArrayVisitor!(int[string])));
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190
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191 }
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192
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193 template isSerializable (T, SerializerType)
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194 {
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195 const isSerializable = is(typeof(T.toData(SerializerType.init, SerializerType.DataType.init))) && is(typeof(T.fromData(SerializerType.init, SerializerType.DataType.init)));
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196 }
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197
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198 template isISerializable (T)
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199 {
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200 const isISerializable = is(T : ISerializable);
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201 }
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202
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203 template TypeOfDataType (T)
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204 {
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205 alias T.DataType TypeOfDataType;
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206 }