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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 72d218235f
commit f23f22d71c
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Task/Multiple-distinct-objects/EchoLisp/multiple-distinct-objects.l Normal file
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;; wrong - make-vector is evaluated one time - same vector
(define L (make-list 3 (make-vector 4)))
L → (#(0 0 0 0) #(0 0 0 0) #(0 0 0 0))
(vector-set! (first L ) 1 '🔴) ;; sets the 'first' vector
L → (#(0 🔴 0 0) #(0 🔴 0 0) #(0 🔴 0 0))
;; right - three different vectors
(define L(map make-vector (make-list 3 4)))
L → (#(0 0 0 0) #(0 0 0 0) #(0 0 0 0))
(vector-set! (first L ) 1 '🔵) ;; sets the first vector
L → (#(0 🔵 0 0) #(0 0 0 0) #(0 0 0 0)) ;; OK