19 lines
565 B
Text
19 lines
565 B
Text
import ordset.
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go =>
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A = ["John", "Serena", "Bob", "Mary", "Serena"].new_ordset(),
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B = ["Jim", "Mary", "John", "Jim", "Bob"].new_ordset(),
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println(symmetric_difference=symmetric_difference(A,B)),
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println(symmetric_difference2=symmetric_difference2(A,B)),
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println(subtractAB=subtract(A,B)),
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println(subtractBA=subtract(B,A)),
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println(union=union(A,B)),
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println(intersection=intersection(A,B)),
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nl.
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symmetric_difference(A,B) = union(subtract(A,B), subtract(B,A)).
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% variant
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symmetric_difference2(A,B) = subtract(union(A,B), intersection(B,A)).
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