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Task/Empty-string/Picat/empty-string-1.picat
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Task/Empty-string/Picat/empty-string-1.picat
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main =>
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S = "", % assign an empty string to a variable
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S == "", % check that a string is empty,
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"not empty" != "". % check that a string is not empty
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Task/Empty-string/Picat/empty-string-2.picat
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Task/Empty-string/Picat/empty-string-2.picat
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main =>
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S = "", % assign an empty string to a variable
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S == [], % check that a string is empty,
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"not empty" != []. % check that a string is not empty
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