Improve performance of &key parsing

2 files changed, 6 insertions, 2 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index b89cbc28461..aee5738dc43 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2014-03-24  Daniel Colascione  <dancol@dancol.org>
+
+        * emacs-lisp/cl-macs.el (cl--do-arglist): Use `plist-member'
+        instead of cl-loop search function.
+
 2014-03-23  Lars Ingebrigtsen  <larsi@gnus.org>
 
         * calendar/parse-time.el (parse-time-iso8601-regexp)
diff --git a/lisp/emacs-lisp/cl-macs.el b/lisp/emacs-lisp/cl-macs.el
index ae939c9c0e9..cd2d52a4b21 100644
--- a/lisp/emacs-lisp/cl-macs.el
+++ b/lisp/emacs-lisp/cl-macs.el
@@ -503,8 +503,7 @@ its argument list allows full Common Lisp conventions."
                    (varg (if (consp (car arg)) (cl-cadar arg) (car arg)))
                    (def (if (cdr arg) (cadr arg)
                           (or (car cl--bind-defs) (cadr (assq varg cl--bind-defs)))))
-                   (look `(cl-loop for cl--arg on ,restarg by #'cddr
-                               when (eq (car cl--arg) ',karg) return cl--arg)))
+                   (look `(plist-member ,restarg ',karg)))
               (and def cl--bind-enquote (setq def `',def))
               (if (cddr arg)
                   (let* ((temp (or (nth 2 arg) (make-symbol "--cl-var--")))