|vector||a vector with fill pointer|
VECTOR-POP function pops a element from specified vector. Supplied vector must have fill-pointer (see MAKE-ARRAY). Fill-pointer is decremented. The element to be popped is found at new fill-pointer position. See also MAKE-ARRAY, VECTOR-POP and VECTOR-PUSH. Return value is object found at previous end of vector.
(defparameter *v* (make-array 2 :fill-pointer 0)) => *V* (vector-push 4 *v*) => 0 (vector-push 3 *v*) => 1 *v* => #(4 3) (vector-pop *v*) => 3 (vector-pop *v*) => 4