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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Copy-a-string/Racket/copy-a-string.rkt Normal file
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#lang racket
(let* ([s1 "Hey"]
[s2 s1]
[s3 (string-copy s1)]
[s4 s3])
(printf "s1 and s2 refer to ~a strings\n"
(if (eq? s1 s2) "the same" "different")) ; same
(printf "s1 and s3 refer to ~a strings\n"
(if (eq? s1 s3) "the same" "different")) ; different
(printf "s3 and s4 refer to ~a strings\n"
(if (eq? s3 s4) "the same" "different")) ; same
(string-fill! s3 #\!)
(printf "~a~a~a~a\n" s1 s2 s3 s4)) ; outputs "HeyHey!!!!!!"