29 lines
576 B
Vala
29 lines
576 B
Vala
using Gee;
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void main(){
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// declare HashMap
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var map = new HashMap<string, double?>();
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// set 3 entries
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map["pi"] = 3.14;
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map["e"] = 2.72;
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map["golden"] = 1.62;
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// iterate over (key,value) pair
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foreach (var elem in map.entries){
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string name = elem.key;
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double num = elem.value;
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stdout.printf("%s,%f\n", name, num);
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}
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// iterate over keys
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foreach (string key in map.keys){
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stdout.printf("%s\n", key);
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}
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// iterate over values
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foreach (double num in map.values){
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stdout.printf("%f\n", num);
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}
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}
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