13 lines
226 B
Text
13 lines
226 B
Text
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$ include "seed7_05.s7i";
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enable_output(set of string);
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const proc: main is func
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local
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var set of string: aSet is {"iron", "copper"};
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begin
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writeln(aSet);
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incl(aSet, "silver");
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writeln(aSet);
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end func;
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