array-has-fill-pointer-p [Function]

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::

section make-array [Function] , section fill-pointer [Accessor]

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.

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