12 lines
301 B
Racket
12 lines
301 B
Racket
#lang racket
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;; import dynamic arrays
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(require data/gvector)
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(define v (vector 1 2 3 4)) ; array
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(vector-ref v 0) ; 1
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(vector-set! v 1 4) ; 2 -> 4
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(define gv (gvector 1 2 3 4)) ; dynamic array
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(gvector-ref gv 0) ; 1
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(gvector-add! gv 5) ; increase size
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