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153
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1 var something;
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2
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3 TEST('anon', function()
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4 {
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5 var answer;
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6
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7 // Hint: Uncomment the next line.
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8 // answer = function(){ return 1; };
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9
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10 answer = function(){
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11 return 1;
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12 };
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13
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14 assert( answer() === 1 );
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15 });
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16
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17
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18 TEST('anon', function()
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19 {
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20 var outer_function = function(){
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21
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22 var answer;
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23
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24 // Define answer here.
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25 answer = function(){
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26 return 1;
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27 };
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28
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29 return answer;
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30 };
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31
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32 var my_inner_function = outer_function();
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33
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34 assert( typeof my_inner_function === 'function' );
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35 assert( my_inner_function() === 1 );
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36 });
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37
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38
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39 TEST('anon', function()
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40 {
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41 var outer_function = function(){
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42
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43 var answer;
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44
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45 // Define answer here.
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46 answer = function(){
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47 return 1;
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48 };
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49
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50 return answer;
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51 };
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52
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53 assert( outer_function()() === 1 );
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54 });
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55
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56
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57 TEST('anon', function()
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58 {
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59 var outer_function = function(n){
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60
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61 var answer;
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62
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63 // Define answer here.
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64 answer = function(){
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65 return n;
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66 };
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67
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68 return answer;
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69 };
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70
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71 assert( outer_function(1)() === 1 );
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72 assert( outer_function(2)() === 2 );
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73 assert( outer_function(3)() === 3 );
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74 });
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75
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76
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77 TEST('anon', function()
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78 {
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79 var outer_function = function(n){
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80
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81 return function(){
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82 return n; // ANSWER
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83 };
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84 };
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85
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86 assert( outer_function(1)() === 1 );
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87 assert( outer_function(2)() === 2 );
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88 assert( outer_function(3)() === 3 );
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89 });
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90
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91
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92 TEST('anon', function()
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93 {
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94 var value = 1;
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95
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96 var get_value = function(){
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97 return value;
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98 };
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99
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100 something = 1;
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101 assert( get_value() === something );
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102 });
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103
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104
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105 TEST('anon', function()
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106 {
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107 var value = 1;
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108
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109 var set_value = function(n){
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110 value = n;
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111 };
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112
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113 set_value(2);
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114 something = 2;
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115 assert( value === something );
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116 });
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117
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118
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119 TEST('anon', function()
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120 {
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121 var value = 1;
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122
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123 var get_value = function(){
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124 return value;
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125 };
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126
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127 var set_value = function(n){
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128 value = n;
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129 };
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130
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131 something = 1;
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132 assert( get_value() === something );
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133
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134 set_value(2);
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135 something = 2;
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136 assert( get_value() === something );
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137 });
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138
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139
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140 TEST('anon', function()
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141 {
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142 var value = 1;
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143
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144 var ddd = function(aaa, bbb){
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145 return {
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146 aaa: aaa,
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147 bbb: bbb
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148 };
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149 };
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150
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151
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152 var obj = ddd(1, 2);
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153
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154 assert( obj.aaa === 1 );
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155 assert( obj.bbb === 2 );
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156
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157 });
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158
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159
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160 TEST('anon', function()
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161 {
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162
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163 var get_set_factory = function(){
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164
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165 var value;
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166
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167 var get = function(){
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168 return value;
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169 };
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170
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171 var set = function(new_value){
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172 value = new_value;
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173 };
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174
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175 return {
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176 get : get,
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177 set : set
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178 };
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179 };
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180
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181 var tmp;
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182 tmp = get_set_factory();
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183 var get_a = tmp.get;
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184 var set_a = tmp.set;
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185
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186 tmp = get_set_factory();
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187 var get_b = tmp.get;
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188 var set_b = tmp.set;
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189
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190
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191 set_a('aaa');
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192 assert( get_a() == 'aaa' );
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193
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194 set_b('bbb');
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195 assert( get_b() == 'bbb' );
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196
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197 assert( get_a() == 'aaa' );
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198 });
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