1 | #include <fstream.hfa> |
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2 | #include <stdlib.hfa> // new, delete |
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3 | #include <bits/sequence.hfa> |
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4 | |
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5 | int main() { |
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6 | // Fred test |
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7 | |
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8 | struct Fred { |
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9 | inline Seqable; // Plan 9 inheritance |
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10 | int i; |
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11 | }; |
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12 | void ?{}( Fred & fred ) { abort(); } |
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13 | void ?{}( Fred & fred, int p ) with( fred ) { |
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14 | i = p; |
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15 | } |
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16 | |
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17 | Fred *& Back( Fred * n ) { |
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18 | return (Fred *)Back( (Seqable *)n ); |
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19 | } |
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20 | |
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21 | Fred *& Next( Fred * n ) { |
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22 | return (Fred *)Next( (Colable *)n ); |
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23 | } |
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24 | |
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25 | Sequence(Fred) fred; |
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26 | SeqIter(Fred) fredIter = { fred }; |
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27 | Fred & f; |
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28 | |
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29 | sout | nlOff; // turn off auto newline |
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30 | |
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31 | for ( ; fredIter >> f; ) { // empty list |
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32 | sout | f.i | ' '; |
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33 | } |
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34 | sout | "empty" | nl; |
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35 | |
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36 | for ( i; 10 ) { |
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37 | add( fred, *new( 2 * i ) ); |
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38 | } |
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39 | |
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40 | for ( SeqIter(Fred) iter = { fred }; iter >> f; ) { |
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41 | sout | f.i | ' '; |
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42 | } |
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43 | sout | nl; |
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44 | |
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45 | for ( i; 9 ) { |
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46 | delete( &dropHead( fred ) ); |
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47 | } |
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48 | |
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49 | for ( over( fredIter, fred ); fredIter >> f; ) { |
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50 | sout | f.i | ' '; |
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51 | } |
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52 | sout | nl; |
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53 | |
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54 | for ( i; 10 ) { |
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55 | addTail( fred, *new( 2 * i + 1 ) ); |
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56 | } |
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57 | for ( over( fredIter, fred ); fredIter >> f; ) { |
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58 | sout | f.i | ' '; |
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59 | } |
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60 | sout | nl; |
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61 | |
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62 | for ( i; 9 ) { |
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63 | delete( &dropTail( fred ) ); |
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64 | } |
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65 | for ( over( fredIter, fred ); fredIter >> f; ) { |
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66 | sout | f.i | ' '; |
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67 | } |
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68 | sout | nl; |
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69 | |
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70 | for ( over( fredIter, fred ); fredIter >> f; ) { |
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71 | delete( &f ); |
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72 | } |
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73 | |
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74 | // Mary test |
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75 | |
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76 | struct Mary { |
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77 | inline Fred; // Plan 9 inheritance |
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78 | int j; |
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79 | }; |
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80 | void ?{}( Mary & mary ) { abort(); } |
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81 | void ?{}( Mary & mary, int p ) with( mary ) { |
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82 | ((Fred &)mary){ p }; |
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83 | j = p; |
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84 | } |
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85 | |
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86 | Mary *& Back( Mary * n ) { |
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87 | return (Mary *)Back( (Fred *)n ); |
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88 | } |
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89 | |
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90 | Mary *& Next( Mary * n ) { |
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91 | return (Mary *)Next( (Fred *)n ); |
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92 | } |
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93 | |
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94 | Sequence(Mary) mary; |
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95 | Sequence(Mary) baz; |
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96 | SeqIter(Mary) maryIter = { mary }; |
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97 | Mary & m; |
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98 | |
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99 | for ( ; maryIter >> m; ) { // empty list |
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100 | sout | m.i | m.j | ' '; |
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101 | } |
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102 | sout | "empty" | nl; |
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103 | |
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104 | for ( i; 10 ) { |
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105 | add( mary, *new( 2 * i ) ); |
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106 | add( baz, *new( 2 * i ) ); |
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107 | } |
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108 | |
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109 | for ( SeqIter(Mary) iter = { mary }; iter >> m; ) { |
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110 | sout | m.i | m.j | ' '; |
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111 | } |
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112 | sout | nl; |
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113 | |
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114 | for ( i; 9 ) { |
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115 | delete( &dropHead( mary ) ); |
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116 | } |
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117 | |
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118 | for ( over( maryIter, mary ); maryIter >> m; ) { |
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119 | sout | m.i | m.j | ' '; |
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120 | } |
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121 | sout | nl; |
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122 | |
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123 | for ( i; 10 ) { |
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124 | addTail( mary, *new( 2 * i + 1 ) ); |
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125 | } |
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126 | for ( over( maryIter, mary ); maryIter >> m; ) { |
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127 | sout | m.i | m.j | ' '; |
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128 | } |
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129 | sout | nl; |
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130 | |
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131 | for ( i; 9 ) { |
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132 | delete( &dropTail( mary ) ); |
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133 | } |
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134 | for ( over( maryIter, mary ); maryIter >> m; ) { |
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135 | sout | m.i | m.j | ' '; |
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136 | } |
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137 | sout | nl; |
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138 | |
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139 | transfer( mary, baz ); |
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140 | |
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141 | for ( over( maryIter, baz ); maryIter >> m; ) { |
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142 | sout | m.i | m.j | ' '; |
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143 | } |
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144 | sout | "empty" | nl; |
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145 | |
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146 | for ( over( maryIter, mary ); maryIter >> m; ) { |
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147 | sout | m.i | m.j | ' '; |
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148 | } |
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149 | sout | nl; |
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150 | |
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151 | for ( over( maryIter, mary ); maryIter >> m; ) { |
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152 | delete( &m ); |
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153 | } |
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154 | } |
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