(and (consp (cdr x))
(cons (car x) (butlast (cdr x)))))
-(defun member (x list &key (key #'identity) (test #'eql))
+(defun member (x list &key key (test #'eql testp) (test-not #'eql test-not-p))
(while list
- (when (funcall test x (funcall key (car list)))
+ (when (satisfies-test-p x (car list) :key key :test test :testp testp
+ :test-not test-not :test-not-p test-not-p)
(return list))
(setq list (cdr list))))