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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the documentation of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 //! [0] |
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43 QSet<QString> set; |
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44 //! [0] |
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45 |
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46 |
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47 //! [1] |
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48 set.insert("one"); |
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49 set.insert("three"); |
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50 set.insert("seven"); |
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51 //! [1] |
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52 |
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53 |
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54 //! [2] |
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55 set << "twelve" << "fifteen" << "nineteen"; |
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56 //! [2] |
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57 |
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58 |
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59 //! [3] |
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60 if (!set.contains("ninety-nine")) |
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61 ... |
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62 //! [3] |
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63 |
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64 |
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65 //! [4] |
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66 QSetIterator<QWidget *> i(set); |
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67 while (i.hasNext()) |
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68 qDebug() << i.next(); |
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69 //! [4] |
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70 |
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71 |
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72 //! [5] |
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73 QSet<QWidget *>::const_iterator i = set.constBegin(); |
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74 while (i != set.constEnd()) { |
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75 qDebug() << *i; |
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76 ++i; |
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77 } |
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78 //! [5] |
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79 |
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80 |
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81 //! [6] |
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82 QSet<QString> set; |
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83 ... |
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84 foreach (QString value, set) |
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85 qDebug() << value; |
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86 //! [6] |
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87 |
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88 |
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89 //! [7] |
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90 QSet<QString> set; |
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91 set.reserve(20000); |
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92 for (int i = 0; i < 20000; ++i) |
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93 set.insert(values[i]); |
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94 //! [7] |
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95 |
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96 |
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97 //! [8] |
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98 QSet<QString> set; |
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99 set << "January" << "February" << ... << "December"; |
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100 |
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101 QSet<QString>::iterator i; |
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102 for (i = set.begin(); i != set.end(); ++i) |
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103 qDebug() << *i; |
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104 //! [8] |
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105 |
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106 |
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107 //! [9] |
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108 QSet<QString> set; |
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109 set << "January" << "February" << ... << "December"; |
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110 |
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111 QSet<QString>::iterator i = set.begin(); |
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112 while (i != set.end()) { |
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113 if ((*i).startsWith('J')) { |
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114 i = set.erase(i); |
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115 } else { |
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116 ++i; |
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117 } |
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118 } |
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119 //! [9] |
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120 |
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121 |
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122 //! [10] |
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123 QSet<QString> set; |
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124 ... |
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125 QSet<QString>::iterator it = qFind(set.begin(), set.end(), "Jeanette"); |
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126 if (it != set.end()) |
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127 cout << "Found Jeanette" << endl; |
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128 //! [10] |
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129 |
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130 |
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131 //! [11] |
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132 QSet<QString> set; |
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133 set << "January" << "February" << ... << "December"; |
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134 |
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135 QSet<QString>::const_iterator i; |
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136 for (i = set.begin(); i != set.end(); ++i) |
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137 qDebug() << *i; |
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138 //! [11] |
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139 |
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140 |
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141 //! [12] |
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142 QSet<QString> set; |
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143 ... |
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144 QSet<QString>::iterator it = qFind(set.begin(), set.end(), "Jeanette"); |
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145 if (it != set.constEnd()) |
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146 cout << "Found Jeanette" << endl; |
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147 //! [12] |
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148 |
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149 |
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150 //! [13] |
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151 QSet<QString> set; |
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152 set << "red" << "green" << "blue" << ... << "black"; |
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153 |
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154 QList<QString> list = set.toList(); |
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155 qSort(list); |
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156 //! [13] |
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157 |
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158 |
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159 //! [14] |
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160 QStringList list; |
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161 list << "Julia" << "Mike" << "Mike" << "Julia" << "Julia"; |
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162 |
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163 QSet<QString> set = QSet<QString>::fromList(list); |
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164 set.contains("Julia"); // returns true |
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165 set.contains("Mike"); // returns true |
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166 set.size(); // returns 2 |
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167 //! [14] |