Apropos

array-has-fill-pointer-pFunction

    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.