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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/String-matching/Quackery/string-matching.quackery Normal file
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[ tuck size split drop = ] is starts ( [ [ --> b )
[ tuck size negate split nip = ] is ends ( [ [ --> b )
[ 2dup = iff true
else
[ over [] = iff false done
2dup starts iff true done
dip behead nip again ]
dip 2drop ] is contains ( [ [ --> b )
[ iff
[ say "true" ]
else
[ say "false" ] ] is echobool ( b --> )
$ "abcdefgh" $ "abc" starts echobool cr
$ "abcdefgh" $ "xyz" starts echobool cr
$ "abcdefgh" $ "fgh" ends echobool cr
$ "abcdefgh" $ "xyz" ends echobool cr
$ "abcdefgh" $ "cde" contains echobool cr
$ "abcdefgh" $ "xyz" contains echobool cr