Empty string: Difference between revisions
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when (null s) (putStrLn "Empty.") |
when (null s) (putStrLn "Empty.") |
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when (not $ null s) (putStrLn "Not empty.")</lang> |
when (not $ null s) (putStrLn "Not empty.")</lang> |
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=={{header|HolyC}}== |
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<lang holyc>/* assign an empty string */ |
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U8 *str = StrNew(""); |
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/* or */ |
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U8 *str = ""; |
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/* to test if string is empty */ |
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if (StrLen(str) == 0) { ... } |
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/* or compare to a known empty string. "== 0" means strings are equal */ |
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if (StrCmp(str, "") == 0) { ... } |
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/* to test if string is not empty */ |
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if (StrLen(str)) { ... }</lang> |
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=={{header|I}}== |
=={{header|I}}== |
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