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array-element-type Arrays Dictionary array-displacement
Function

array-has-fill-pointer-p

array-has-fill-pointer-p array ⇒ generalized-boolean

Arguments and Values

arrayan array.
generalized-booleana 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.

Backlinks

Arrays Dictionary, Specialized Arrays, Symbols in the COMMON-LISP Package