Empty string: Difference between revisions
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(Forth) |
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-- string is not empty |
-- string is not empty |
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end if</lang> |
end if</lang> |
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=={{header|Forth}}== |
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Strings are represented as an addr-len pair on the stack. An empty string has len 0. |
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<lang forth>: empty? ( str len -- ? ) nip 0= ; |
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s" " dup . empty? . \ 0 -1</forth> |
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=={{header|Go}}== |
=={{header|Go}}== |
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