From: ueno <ueno>
Date: Thu, 14 Dec 2000 10:55:02 +0000 (+0000)
Subject: * alist.el (del-alist): Simplified.
X-Git-Tag: apel-10_3~41
X-Git-Url: http://git.chise.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=203c90150b8c7da7ecf23b433196773d4f3f7eae;p=elisp%2Fapel.git

* alist.el (del-alist): Simplified.
---

diff --git a/ChangeLog b/ChangeLog
index 32d9d27..c0e2f71 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2000-12-14   Daiki Ueno  <ueno@unixuser.org>
+
+	* alist.el (del-alist): Simplified.
+
 2000-12-14  Mikio Nakajima  <minakaji@osaka.email.ne.jp>
 
 	* pym.el (static-if): Put t on edebug spec instead of if.
diff --git a/alist.el b/alist.el
index 4b656de..485107e 100644
--- a/alist.el
+++ b/alist.el
@@ -40,19 +40,10 @@ return a new alist whose car is the new pair and cdr is ALIST."
 (defun del-alist (key alist)
   "Delete an element whose car equals KEY from ALIST.
 Return the modified ALIST."
-  (if (equal key (car (car alist)))
-      (cdr alist)
-    (let ((pr alist)
-	  (r (cdr alist)))
-      (catch 'tag
-	(while (not (null r))
-	  (if (equal key (car (car r)))
-	      (progn
-		(rplacd pr (cdr r))
-		(throw 'tag alist)))
-	  (setq pr r)
-	  (setq r (cdr r)))
-	alist))))
+  (let ((pair (assoc item alist)))
+    (if pair
+	(delq pair alist)
+      alist)))
 
 ;;;###autoload
 (defun set-alist (symbol key value)