Mercurial > projects > dwt2
annotate base/src/java/util/Collections.d @ 105:bbe49769ec18
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author | Frank Benoit <benoit@tionex.de> |
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date | Sun, 08 Nov 2009 12:42:30 +0100 |
parents | fcf926c91ca4 |
children | e944a4cf537b |
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1 module java.util.Collections; |
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2 |
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3 import java.lang.all; |
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4 import java.util.Collection; |
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5 import java.util.Map; |
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6 import java.util.Set; |
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7 import java.util.TreeMap; |
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8 import java.util.TreeSet; |
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9 import java.util.List; |
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10 import java.util.Iterator; |
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11 import java.util.ListIterator; |
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12 import java.util.Enumeration; |
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13 import java.util.ArrayList; |
105 | 14 import java.util.Comparator; |
10
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15 |
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16 class Collections { |
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17 private static void unsupported(){ |
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18 throw new UnsupportedOperationException(); |
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19 } |
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20 |
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21 private static List EMPTY_LIST_; |
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22 public static List EMPTY_LIST(){ |
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23 if( EMPTY_LIST_ is null ){ |
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24 synchronized(Collections.classinfo ){ |
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25 if( EMPTY_LIST_ is null ){ |
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26 EMPTY_LIST_ = new ArrayList(0); |
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27 } |
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28 } |
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29 } |
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30 return EMPTY_LIST_; |
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31 } |
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32 private static Map EMPTY_MAP_; |
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33 public static Map EMPTY_MAP(){ |
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34 if( EMPTY_MAP_ is null ){ |
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35 synchronized(Collections.classinfo ){ |
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36 if( EMPTY_MAP_ is null ){ |
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37 EMPTY_MAP_ = new TreeMap(); |
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38 } |
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39 } |
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40 } |
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41 return EMPTY_MAP_; |
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42 } |
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43 private static Set EMPTY_SET_; |
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44 public static Set EMPTY_SET(){ |
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45 if( EMPTY_SET_ is null ){ |
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46 synchronized(Collections.classinfo ){ |
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47 if( EMPTY_SET_ is null ){ |
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48 EMPTY_SET_ = new TreeSet(); |
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49 } |
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50 } |
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51 } |
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52 return EMPTY_SET_; |
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53 } |
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54 static class UnmodifiableIterator : Iterator { |
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55 Iterator it; |
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56 this(Iterator it){ |
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57 this.it = it; |
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58 } |
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59 public bool hasNext(){ |
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60 return it.hasNext(); |
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61 } |
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62 public Object next(){ |
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63 return it.next(); |
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64 } |
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65 public void remove(){ |
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66 unsupported(); |
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67 } |
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68 } |
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69 static class UnmodifiableListIterator : ListIterator { |
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70 ListIterator it; |
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71 this(ListIterator it){ |
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72 this.it = it; |
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73 } |
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74 public void add(Object o){ |
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75 unsupported(); |
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76 } |
84 | 77 public void add(String o){ |
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78 unsupported(); |
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79 return false; // make compiler happy |
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80 } |
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81 public bool hasNext(){ |
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82 return it.hasNext(); |
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83 } |
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84 public bool hasPrevious(){ |
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85 return it.hasPrevious(); |
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86 } |
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87 public Object next(){ |
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88 return it.next(); |
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89 } |
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90 public int nextIndex(){ |
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91 return it.nextIndex(); |
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92 } |
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93 public Object previous(){ |
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94 return it.previous(); |
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95 } |
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96 public int previousIndex(){ |
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97 return it.previousIndex(); |
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98 } |
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99 public void remove(){ |
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100 unsupported(); |
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101 } |
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102 public void set(Object o){ |
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103 unsupported(); |
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104 } |
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105 } |
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106 static class UnmodifieableList : List { |
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107 List list; |
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108 this(List list){ |
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109 this.list = list; |
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110 } |
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111 public void add(int index, Object element){ |
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112 unsupported(); |
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113 } |
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114 public bool add(Object o){ |
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115 unsupported(); |
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116 return false; // make compiler happy |
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117 } |
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118 public bool add(String o){ |
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119 unsupported(); |
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120 return false; // make compiler happy |
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121 } |
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122 public bool addAll(Collection c){ |
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123 unsupported(); |
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124 return false; // make compiler happy |
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125 } |
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126 public bool addAll(int index, Collection c){ |
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127 unsupported(); |
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128 return false; // make compiler happy |
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129 } |
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130 public void clear(){ |
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131 unsupported(); |
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132 return false; // make compiler happy |
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133 } |
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134 public bool contains(Object o){ |
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135 return list.contains(o); |
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136 } |
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137 public bool contains(String o){ |
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138 return list.contains(o); |
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139 } |
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140 public bool containsAll(Collection c){ |
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141 return list.containsAll(c); |
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142 } |
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143 public equals_t opEquals(Object o){ |
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144 return cast(equals_t)list.opEquals(o); |
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145 } |
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146 public Object get(int index){ |
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147 return list.get(index); |
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148 } |
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149 public hash_t toHash(){ |
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150 return list.toHash(); |
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151 } |
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152 public int indexOf(Object o){ |
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153 return list.indexOf(o); |
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154 } |
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155 public bool isEmpty(){ |
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156 return list.isEmpty(); |
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157 } |
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158 public Iterator iterator(){ |
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159 return new UnmodifiableIterator( list.iterator() ); |
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160 } |
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161 public int lastIndexOf(Object o){ |
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162 return list.lastIndexOf(o); |
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163 } |
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164 public ListIterator listIterator(){ |
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165 return new UnmodifiableListIterator( list.listIterator() ); |
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166 } |
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167 public ListIterator listIterator(int index){ |
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168 return new UnmodifiableListIterator( list.listIterator(index) ); |
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169 } |
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170 public Object remove(int index){ |
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171 unsupported(); |
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172 return null; // make compiler happy |
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173 } |
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174 public bool remove(Object o){ |
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175 unsupported(); |
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176 return false; // make compiler happy |
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177 } |
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178 public bool remove(String o){ |
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179 unsupported(); |
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180 return false; // make compiler happy |
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181 } |
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182 public bool removeAll(Collection c){ |
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183 unsupported(); |
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184 return false; // make compiler happy |
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185 } |
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186 public bool retainAll(Collection c){ |
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187 unsupported(); |
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188 return false; // make compiler happy |
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189 } |
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190 public Object set(int index, Object element){ |
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191 unsupported(); |
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192 return null; // make compiler happy |
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193 } |
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194 public int size(){ |
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195 return list.size(); |
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196 } |
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197 public List subList(int fromIndex, int toIndex){ |
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198 return new UnmodifieableList( list.subList(fromIndex,toIndex)); |
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199 } |
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200 public Object[] toArray(){ |
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201 return list.toArray(); |
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202 } |
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203 public Object[] toArray(Object[] a){ |
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204 return list.toArray(a); |
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205 } |
84 | 206 public String[] toArray(String[] a){ |
207 return list.toArray(a); | |
208 } | |
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209 public int opApply (int delegate(ref Object value) dg){ |
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210 implMissing(__FILE__, __LINE__ ); |
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211 return 0; |
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212 } |
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213 public int opApply (int delegate(ref Object key, ref Object value) dg){ |
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214 implMissing(__FILE__, __LINE__ ); |
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215 return 0; |
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216 } |
84 | 217 public String toString(){ |
218 return list.toString(); | |
219 } | |
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220 } |
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221 static int binarySearch(List list, Object key){ |
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222 implMissing( __FILE__, __LINE__ ); |
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223 return 0; |
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224 } |
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225 static int binarySearch(List list, Object key, Comparator c){ |
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226 implMissing( __FILE__, __LINE__ ); |
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227 return 0; |
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228 } |
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229 public static List unmodifiableList( List list ){ |
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230 return new UnmodifieableList(list); |
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231 } |
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232 public static Map unmodifiableMap( Map list ){ |
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233 implMissing( __FILE__, __LINE__ ); |
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234 return null; |
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235 } |
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236 public static Set unmodifiableSet( Set list ){ |
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237 implMissing( __FILE__, __LINE__ ); |
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238 return null; |
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239 } |
84 | 240 public static List singletonList( Object o ){ |
241 implMissing( __FILE__, __LINE__ ); | |
242 return null; | |
243 } | |
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244 public static Set singleton( Object o ){ |
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245 TreeSet res = new TreeSet(); |
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246 res.add(o); |
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247 return res; |
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248 } |
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249 public static void sort(List list){ |
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250 implMissing( __FILE__, __LINE__ ); |
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251 } |
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252 public static void sort(List list, Comparator c){ |
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253 implMissing( __FILE__, __LINE__ ); |
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254 } |
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255 |
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256 static Collection synchronizedCollection(Collection c){ |
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257 implMissing( __FILE__, __LINE__ ); |
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258 return null; |
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259 } |
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260 static class SynchronizedList : List { |
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261 private List list; |
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262 private this( List list ){ this.list = list; } |
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263 // Collection |
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264 public int opApply (int delegate(ref Object value) dg){ synchronized(this){ return this.list.opApply(dg); } } |
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265 // List |
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266 public void add(int index, Object element){ synchronized(this){ return this.list.add(index, element); } } |
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267 public bool add(Object o){ synchronized(this){ return this.list.add(o); } } |
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268 public bool add(String o){ synchronized(this){ return this.list.add(o); } } |
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269 public bool addAll(Collection c){ synchronized(this){ return this.list.addAll(c); } } |
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270 public bool addAll(int index, Collection c){ synchronized(this){ return this.list.addAll(index, c); } } |
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271 public void clear(){ synchronized(this){ return this.list.clear(); } } |
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272 public bool contains(Object o){ synchronized(this){ return this.list.contains(o); } } |
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273 public bool contains(String o){ synchronized(this){ return this.list.contains(o); } } |
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274 public bool containsAll(Collection c){ synchronized(this){ return this.list.containsAll(c); } } |
21
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275 public equals_t opEquals(Object o){ synchronized(this){ return cast(equals_t)this.list.opEquals(o); } } |
10
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276 public Object get(int index){ synchronized(this){ return this.list.get(index); } } |
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277 public hash_t toHash(){ synchronized(this){ return this.list.toHash(); } } |
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278 public int indexOf(Object o){ synchronized(this){ return this.list.indexOf(o); } } |
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279 public bool isEmpty(){ synchronized(this){ return this.list.isEmpty(); } } |
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280 public Iterator iterator(){ synchronized(this){ return this.list.iterator(); } } |
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281 public int lastIndexOf(Object o){ synchronized(this){ return this.list.lastIndexOf(o); } } |
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282 public ListIterator listIterator(){ synchronized(this){ return this.list.listIterator(); } } |
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283 public ListIterator listIterator(int index){ synchronized(this){ return this.list.listIterator(index); } } |
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284 public Object remove(int index){ synchronized(this){ return this.list.remove(index); } } |
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285 public bool remove(Object o){ synchronized(this){ return this.list.remove(o); } } |
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286 public bool remove(String o){ synchronized(this){ return this.list.remove(o); } } |
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287 public bool removeAll(Collection c){ synchronized(this){ return this.list.removeAll(c); } } |
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288 public bool retainAll(Collection c){ synchronized(this){ return this.list.retainAll(c); } } |
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289 public Object set(int index, Object element){ synchronized(this){ return this.list.set(index,element); } } |
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290 public int size(){ synchronized(this){ return this.list.size(); } } |
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291 public List subList(int fromIndex, int toIndex){ synchronized(this){ return this.list.subList(fromIndex,toIndex); } } |
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292 public Object[] toArray(){ synchronized(this){ return this.list.toArray(); } } |
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293 public Object[] toArray(Object[] a){ synchronized(this){ return this.list.toArray(a); } } |
84 | 294 public String[] toArray(String[] a){ synchronized(this){ return this.list.toArray(a); } } |
295 public String toString(){ synchronized(this){ return this.list.toString(); } } | |
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296 } |
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297 static List synchronizedList(List list){ |
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298 return new SynchronizedList(list); |
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299 } |
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300 |
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301 static class SynchronizedMap : Map { |
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302 private Map map; |
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303 //interface Entry { |
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304 // int opEquals(Object o); |
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305 // Object getKey(); |
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306 // Object getValue(); |
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307 // hash_t toHash(); |
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308 // Object setValue(Object value); |
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309 //} |
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310 private this( Map map ){ |
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311 this.map = map; |
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312 } |
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313 public void clear(){ synchronized(this){ this.map.clear(); } } |
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314 public bool containsKey(Object key){ synchronized(this){ return this.map.containsKey(key); } } |
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315 public bool containsKey(String key){ synchronized(this){ return this.map.containsKey(key); } } |
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316 public bool containsValue(Object value){ synchronized(this){ return this.map.containsValue(value); } } |
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317 public Set entrySet(){ synchronized(this){ return this.map.entrySet(); } } |
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318 public equals_t opEquals(Object o){ synchronized(this){ return this.map.opEquals(o); } } |
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319 public Object get(Object key){ synchronized(this){ return this.map.get(key); } } |
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320 public Object get(String key){ synchronized(this){ return this.map.get(key); } } |
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321 public hash_t toHash(){ synchronized(this){ return this.map.toHash(); } } |
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322 public bool isEmpty(){ synchronized(this){ return this.map.isEmpty(); } } |
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323 public Set keySet(){ synchronized(this){ return this.map.keySet(); } } |
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324 public Object put(Object key, Object value){ synchronized(this){ return this.map.put(key,value); } } |
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325 public Object put(String key, Object value){ synchronized(this){ return this.map.put(key,value); } } |
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326 public Object put(Object key, String value){ synchronized(this){ return this.map.put(key,value); } } |
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327 public Object put(String key, String value){ synchronized(this){ return this.map.put(key,value); } } |
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328 public void putAll(Map t){ synchronized(this){ return this.map.putAll(t); } } |
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329 public Object remove(Object key){ synchronized(this){ return this.map.remove(key); } } |
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330 public Object remove(String key){ synchronized(this){ return this.map.remove(key); } } |
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331 public int size(){ synchronized(this){ return this.map.size(); } } |
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332 public Collection values(){ synchronized(this){ return this.map.values(); } } |
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333 |
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334 // only for D |
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335 public int opApply (int delegate(ref Object value) dg){ synchronized(this){ return this.map.opApply( dg ); } } |
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336 public int opApply (int delegate(ref Object key, ref Object value) dg){ synchronized(this){ return this.map.opApply( dg ); } } |
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337 } |
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338 static Map synchronizedMap(Map m){ |
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339 return new SynchronizedMap(m); |
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340 } |
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341 static Set synchronizedSet(Set s){ |
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342 implMissing( __FILE__, __LINE__ ); |
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343 return null; |
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344 } |
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345 // static SortedMap synchronizedSortedMap(SortedMap m){ |
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346 // implMissing( __FILE__, __LINE__ ); |
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347 // return null; |
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348 // } |
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349 // static SortedSet synchronizedSortedSet(SortedSet s){ |
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350 // implMissing( __FILE__, __LINE__ ); |
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351 // return null; |
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352 // } |
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353 static void reverse(List list) { |
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354 Object[] data = list.toArray(); |
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355 for( int idx = 0; idx < data.length; idx++ ){ |
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356 list.set( data.length -1 -idx, data[idx] ); |
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357 } |
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358 } |
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359 static class LocalEnumeration : Enumeration { |
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360 Object[] data; |
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361 this( Object[] data ){ |
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362 this.data = data; |
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363 } |
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364 public bool hasMoreElements(){ |
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365 return data.length > 0; |
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366 } |
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367 public Object nextElement(){ |
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368 Object res = data[0]; |
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369 data = data[ 1 .. $ ]; |
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370 return res; |
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371 } |
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372 } |
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373 static Enumeration enumeration(Collection c){ |
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374 return new LocalEnumeration( c.toArray() ); |
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375 } |
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376 } |
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377 |