Arrays

An array is a mapping from a set of index tuples to a set of range elements.

(setq ages (make-array 4

:initial-contents ’(21 19 20 21) ) )

#(21 19 20 21)

(aref ages 2)

20

(setf (aref ages 2) 25)

25

ages

#(21 19 25 21)

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