array-in-bounds-p (original) (raw)

ANSI Common Lisp 15 Arrays 15.2 Dictionary of Arrays

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)))

Allegro CL Implementation Details:

None.