array-in-bounds-p

array-in-bounds-p Function

Syntax:

array-in-bounds-p array &rest subscripts → generalized-boolean

Arguments and Values:

array—an array.

subscripts—a list of integers of length equal to the rank of the array.

generalized-boolean—a generalized boolean.

Description:

Returns true if the subscripts are all in bounds for array; otherwise returns false. (If array is a vector with a fill pointer , that fill pointer is ignored.)

Examples:

(setq a (make-array ’(7 11) :element-type ’string-char)) 
(array-in-bounds-p a 0 0) → true 
(array-in-bounds-p a 6 10) → true 
(array-in-bounds-p a 0 -1) → false 
(array-in-bounds-p a 0 11) → false 
(array-in-bounds-p a 7 0) → false 

See Also:

array-dimensions

Notes:

(array-in-bounds-p array subscripts)

≡ (and (not (some #’minusp (list subscripts)))

(every #’< (list subscripts) (array-dimensions array)))

Expanded Reference: array-in-bounds-p

tip

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(array-in-bounds-p )