array-total-size
array ⇒ size
Returns the array total size of the array.
(array-total-size (make-array 4)) ⇒ 4
(array-total-size (make-array 4 :fill-pointer 2)) ⇒ 4
(array-total-size (make-array 0)) ⇒ 0
(array-total-size (make-array '(4 2))) ⇒ 8
(array-total-size (make-array '(4 0))) ⇒ 0
(array-total-size (make-array '())) ⇒ 1
Should signal an error of type type-error if its argument is not an array.
If the array is a vector with a fill pointer, the fill pointer is ignored when calculating the array total size.
Since the product of no arguments is one, the array total size of a zero-dimensional array is one.
(array-total-size x)
≡ (apply #'* (array-dimensions x))
≡ (reduce #'* (array-dimensions x))