CLHS: Function ADJUSTABLE-ARRAY-P

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Function ADJUSTABLE-ARRAY-P

Syntax:

adjustable-array-p array => generalized-boolean

Arguments and Values:

array---an array.

generalized-boolean---a generalized boolean.

Description:

Returns true if and only if adjust-array could return a value which is identical to array when given that array as its first argument.

Examples:

     (adjustable-array-p
       (make-array 5
                   :element-type 'character
                   :adjustable t
                   :fill-pointer 3)) =>  true
     (adjustable-array-p (make-array 4)) =>  implementation-dependent

Affected By: None.

Exceptional Situations:

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

See Also:

adjust-array, make-array

Notes: None.

The following X3J13 cleanup issue, not part of the specification, applies to this section:

- ADJUST-ARRAY-NOT-ADJUSTABLE:IMPLICIT-COPY

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