Empty string: Difference between revisions
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=={{header|Scheme}}== |
=={{header|Scheme}}== |
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The Scheme highlighter has it wrong. It highlights variables like numbers or only half... Don't rely on it! |
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<lang scheme> |
<lang scheme> |
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(define empty-string "") |
(define empty-string "") |
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(define (string-null? s) (= 0 (string-length s))) |
(define (string-null? s) (= 0 (string-length s))) |
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