diff options
Diffstat (limited to 'lisp/emacs-lisp')
| -rw-r--r-- | lisp/emacs-lisp/cl-loaddefs.el | 2 | ||||
| -rw-r--r-- | lisp/emacs-lisp/cl-macs.el | 12 |
2 files changed, 12 insertions, 2 deletions
diff --git a/lisp/emacs-lisp/cl-loaddefs.el b/lisp/emacs-lisp/cl-loaddefs.el index bb5fd5037a1..e828325bd0e 100644 --- a/lisp/emacs-lisp/cl-loaddefs.el +++ b/lisp/emacs-lisp/cl-loaddefs.el @@ -282,7 +282,7 @@ Not documented ;;;;;; flet progv psetq do-all-symbols do-symbols dotimes dolist ;;;;;; do* do loop return-from return block etypecase typecase ecase ;;;;;; case load-time-value eval-when destructuring-bind function* -;;;;;; defmacro* defun* gentemp gensym) "cl-macs" "cl-macs.el" "7fad7dd60f2f96ba90432f885015d61b") +;;;;;; defmacro* defun* gentemp gensym) "cl-macs" "cl-macs.el" "0faa39d8f21ae59f2cc1baa835e28a5f") ;;; Generated autoloads from cl-macs.el (autoload 'gensym "cl-macs" "\ diff --git a/lisp/emacs-lisp/cl-macs.el b/lisp/emacs-lisp/cl-macs.el index e48835adeb1..57870b19066 100644 --- a/lisp/emacs-lisp/cl-macs.el +++ b/lisp/emacs-lisp/cl-macs.el @@ -1826,7 +1826,17 @@ Example: ;; (setq a 7) or (setq a nil) depending on whether B is nil or not. ;; This is useful when you have control over the PLACE but not over ;; the VALUE, as is the case in define-minor-mode's :variable. -(defsetf eq (a b) (v) `(setf ,a (if ,v ,b (not ,b)))) +(define-setf-method eq (place val) + (let ((method (get-setf-method place cl-macro-environment)) + (val-temp (make-symbol "--eq-val--")) + (store-temp (make-symbol "--eq-store--"))) + (list (append (nth 0 method) (list val-temp)) + (append (nth 1 method) (list val)) + (list store-temp) + `(let ((,(car (nth 2 method)) + (if ,store-temp ,val-temp (not ,val-temp)))) + ,(nth 3 method) ,store-temp) + `(eq ,(nth 4 method) ,val-temp)))) ;;; More complex setf-methods. ;; These should take &environment arguments, but since full arglists aren't |