• vector-pop vector → element

• vector - a vector with a fill pointer.
• element - an object.

Decreases the fill pointer of vector by one, and retrieves the element of vector that is designated by the new fill pointer.

(defparameter *fable* (list 'fable)) 

→

*FABLE*



(defparameter *fa* (make-array 8 :fill-pointer 2 :initial-element 'sisyphus)) 

→

*FA*



(vector-push *fable* *fa*) 

→

2



(fill-pointer *fa*) 

→

3



(eq (vector-pop *fa*) *fable*) 

→

true 



(vector-pop *fa*) 

→

SISYPHUS



(fill-pointer *fa*) 

→

1

The fill pointer is decreased by one.

The value of the fill pointer.

An error of type type-error is signaled if vector does not have a fill pointer.

If the fill pointer is zero, vector-pop signals an error of type error.

Function VECTOR-PUSH, Function VECTOR-PUSH-EXTEND, Function FILL-POINTER

None.