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ANSI Common Lisp  15 Arrays 15.2 Dictionary of Arrays
| 15.2.16 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)))
- Allegro CL Implementation Details:
-
None.
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