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Repeat a string: Difference between revisions
Add Racket examples
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(Add Racket examples) |
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=={{header|R}}==
<lang ruby>paste(rep("ha",5), collapse='')</lang>
=={{header|Racket}}==
For small n:
<lang scheme>; fast
(define (string-repeat n str)
(apply string-append (make-list n str)))
(string-repeat 5 "ha") ==> "hahahahaha"</lang>
For very large n:
<lang scheme>; memory efficient
(define (string-repeat n string)
(with-output-to-string
(λ ()
(for ([_ (in-range n)])
(display string)))))
(string-repeat 5 "ha") ==> "hahahahaha"</lang>
To repeat a single character:
<lang scheme>(make-string 5 #\*) => "*****"</lang>
=={{header|REBOL}}==
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