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  ANSI Common Lisp   15 Arrays   15.2 Dictionary of Arrays

15.2.14 array-has-fill-pointer-p Function

Syntax:
array-has-fill-pointer-p array    generalized-boolean

Arguments and Values:
array - an array.

generalized-boolean - a generalized boolean.

Description:
Returns true if array has a fill pointer; otherwise returns false.

Examples:
 (array-has-fill-pointer-p (make-array 4))  implementation-dependent
 (array-has-fill-pointer-p (make-array '(2 3)))  false
 (array-has-fill-pointer-p
   (make-array 8 
               :fill-pointer 2 
               :initial-element 'filler))  true

Exceptional Situations:
Should signal an error of type type-error if its argument is not an array.

See Also:
make-array, fill-pointer

Notes:
Since arrays of rank other than one cannot have a fill pointer, array-has-fill-pointer-p always returns nil when its argument is such an array.

Allegro CL Implementation Details:
None.

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