Empty string: Difference between revisions
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Note that we can '''not''' do the following, because the empty string is equivalent to true in Ruby ([[Boolean values#Ruby]]): |
Note that we can '''not''' do the following, because the empty string is equivalent to true in Ruby ([[Boolean values#Ruby]]): |
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<lang ruby>if s then puts "not empty" end</lang> |
<lang ruby>if s then puts "not empty" end</lang> |
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=={{header|Run BASIC}}== |
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<lang runbasic>var$ = "" |
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' -------------- |
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'empty string |
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' ------------- |
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if var$="" then print "String is Empty" |
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if len(var$)=0 then print "String is Empty" |
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' ------------- |
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'not empty string |
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' ------------- |
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if var$<>"" then print "String Not empty." |
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if len(var$)>0 then print "String Not empty."</lang> |
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=={{header|Scala}}== |
=={{header|Scala}}== |
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