Empty string: Difference between revisions
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Puppydrum64 (talk | contribs) |
Deadmarshal (talk | contribs) (Added Modula-3) |
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puts "empty string has no length" if empty_string2.length() == 0 |
puts "empty string has no length" if empty_string2.length() == 0 |
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puts "empty string is not nil" unless empty_string1 == nil</lang> |
puts "empty string is not nil" unless empty_string1 == nil</lang> |
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=={{header|Modula-3}}== |
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<lang modula3>MODULE EmptyString EXPORTS Main; |
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IMPORT IO,Text; |
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VAR |
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Str:TEXT; |
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BEGIN |
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(* Assign an empty string *) |
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Str := ""; |
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(* Check if Str is empty *) |
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IF Text.Empty(Str) THEN |
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IO.Put("Str is empty!\n"); |
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END; |
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(* Same as above: *) |
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IF Text.Length(Str) = 0 THEN |
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IO.Put("Str is empty!\n"); |
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END; |
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(* To check for a non-empty string, negate any of the above |
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conditions with NOT *) |
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END EmptyString.</lang> |
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=={{header|Nanoquery}}== |
=={{header|Nanoquery}}== |
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