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40
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1 module bug9;
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2 struct rgb
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3 {
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4 ubyte[3] values;
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5 rgb average(rgb other)
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6 {
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7 rgb res;
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8 foreach (id, ref v; res.values) v=(values[id]+other.values[id])/2;
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9 return res;
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10 }
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11 void print()
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12 {
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13 printf("[%d,%d,%d]\n", values[0], values[1], values[2]);
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14 }
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15 }
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16
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17 void main()
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18 {
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19 rgb a,b;
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20 a.values[0] = 10;
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21 a.values[1] = 20;
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22 a.values[2] = 30;
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23 b.values[0] = 30;
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24 b.values[1] = 20;
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25 b.values[2] = 10;
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26 rgb avg = a.average(b);
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27 avg.print();
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28 assert(avg.values[0] == 20);
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29 assert(avg.values[1] == 20);
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30 assert(avg.values[2] == 20);
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31 }
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32
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