20 lines
479 B
Plaintext
20 lines
479 B
Plaintext
MODULE EmptyString;
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IMPORT StdLog;
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PROCEDURE Do*;
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VAR
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s: ARRAY 64 OF CHAR;
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(* s := "" <=> s[0] := 0X => s isEmpty*)
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BEGIN
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s := "";
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StdLog.String("Is 's' empty?:> ");StdLog.Bool(s = "");StdLog.Ln;
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StdLog.String("Is not 's' empty?:> ");StdLog.Bool(s # "");StdLog.Ln;
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StdLog.Ln;
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(* Or *)
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s := 0X;
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StdLog.String("Is 's' empty?:> ");StdLog.Bool(s = 0X);StdLog.Ln;
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StdLog.String("Is not 's' empty?:> ");StdLog.Bool(s # 0X);StdLog.Ln;
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StdLog.Ln;
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END Do;
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END EmptyString.
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