(declaim (inline foo))
(defun foo (&rest args)
  (format T "global foo!!! => ~{~A~^ ~}~%" args))

(defun bar ()
  (list (apply #'foo '(1 2 3))
        (apply 'foo '(1 2 3))))

(bar)
;global foo!!! => 1 2 3
;global foo!!! => 1 2 3

;; fooを再定義
(defun foo (&rest args)
  (format T "NEW global foo!!! => ~{~A~^ ~}~%" args))

(bar)
;global foo!!! => 1 2 3         ;昔の定義
;NEW global foo!!! => 1 2 3


;; not inline
(declaim (notinline foo))
(defun foo (&rest args)
  (format T "global foo!!! => ~{~A~^ ~}~%" args))

(defun bar ()
  (list (apply #'foo '(1 2 3))
        (apply 'foo '(1 2 3))))

(bar)
;global foo!!! => 1 2 3
;global foo!!! => 1 2 3

;; fooを再定義
(defun foo (&rest args)
  (format T "NEW global foo!!! => ~{~A~^ ~}~%" args))

(bar)
;NEW global foo!!! => 1 2 3
;NEW global foo!!! => 1 2 3