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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Classes/Racket/classes.rkt Normal file
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#lang racket
(define fish%
(class object%
(super-new)
;; an instance variable & constructor argument
(init-field size)
;; a new method
(define/public (eat)
(displayln "gulp!"))))
;; constructing an instance
(new fish% [size 50])