Empty string: Difference between revisions
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False |
False |
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False</pre> |
False</pre> |
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=={{header|Vlang}}== |
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<lang vlang>// define and initialize an empty string |
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mut s := "" |
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// assign an empty string to a variable |
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s = "" |
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// check that a string is empty, any of: |
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s == "" |
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s.len() == 0 |
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// check that a string is not empty, any of: |
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s != "" |
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s.len() != 0 // or > 0</lang> |
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::<lang vlang>fn test(s string) { |
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if s.len() == 0 { |
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println("empty") |
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} else { |
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println("not empty") |
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} |
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} |
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fn main() { |
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// assign an empty string to a variable. |
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str1 := "" |
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str2 := " " |
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// check if a string is empty. |
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test(str1) // prt empty |
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// check that a string is not empty. |
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test(str2) // prt not empty |
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}</lang> |
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=={{header|Wee Basic}}== |
=={{header|Wee Basic}}== |