Empty string: Difference between revisions
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(≢ is shape, not rank) |
(add gwbasic) |
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s = '1 is the loneliest number' |
s = '1 is the loneliest number' |
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assert !s.empty</lang> |
assert !s.empty</lang> |
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=={{header|GW-BASIC}}== |
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<lang gwbasic>10 DIM S1$ 'implicitly defined empty string |
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20 S2$ = "" 'explicitly defined empty string |
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30 S3$ = "Foo bar baz" |
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40 S$=S1$ : GOSUB 200 |
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50 S$=S2$ : GOSUB 200 |
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60 S$=S3$ : GOSUB 200 |
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70 END |
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200 IF LEN(S$)=0 THEN PRINT "Empty string" ELSE PRINT "Non-empty string" |
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210 RETURN</lang> |
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=={{header|Harbour}}== |
=={{header|Harbour}}== |
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? cString |
? cString |
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ENDIF</lang> |
ENDIF</lang> |
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=={{header|Haskell}}== |
=={{header|Haskell}}== |
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