emacs-diffs
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Emacs-diffs] trunk r117127: * emacs-lisp/cl-lib.el (cl-endp): Conform t


From: Leo Liu
Subject: [Emacs-diffs] trunk r117127: * emacs-lisp/cl-lib.el (cl-endp): Conform to CL's semantics.
Date: Mon, 19 May 2014 16:15:10 +0000
User-agent: Bazaar (2.6b2)

------------------------------------------------------------
revno: 117127
revision-id: address@hidden
parent: address@hidden
committer: Leo Liu <address@hidden>
branch nick: trunk
timestamp: Tue 2014-05-20 00:08:40 +0800
message:
  * emacs-lisp/cl-lib.el (cl-endp): Conform to CL's semantics.
modified:
  lisp/ChangeLog                 changelog-20091113204419-o5vbwnq5f7feedwu-1432
  lisp/emacs-lisp/cl-lib.el      cl.el-20091113204419-o5vbwnq5f7feedwu-614
=== modified file 'lisp/ChangeLog'
--- a/lisp/ChangeLog    2014-05-18 22:57:37 +0000
+++ b/lisp/ChangeLog    2014-05-19 16:08:40 +0000
@@ -1,3 +1,7 @@
+2014-05-19  Leo Liu  <address@hidden>
+
+       * emacs-lisp/cl-lib.el (cl-endp): Conform to CL's semantics.
+
 2014-05-18  Glenn Morris  <address@hidden>
 
        * loadup.el:

=== modified file 'lisp/emacs-lisp/cl-lib.el'
--- a/lisp/emacs-lisp/cl-lib.el 2014-04-22 03:18:15 +0000
+++ b/lisp/emacs-lisp/cl-lib.el 2014-05-19 16:08:40 +0000
@@ -358,7 +358,13 @@
 (cl--defalias 'cl-first 'car)
 (cl--defalias 'cl-second 'cadr)
 (cl--defalias 'cl-rest 'cdr)
-(cl--defalias 'cl-endp 'null)
+
+(defun cl-endp (x)
+  "Return true if X is the empty list; false if it is a cons.
+Signal an error if X is not a list."
+  (if (listp x)
+      (null x)
+    (signal 'wrong-type-argument (list 'list x 'x))))
 
 (cl--defalias 'cl-third 'cl-caddr "Return the third element of the list X.")
 (cl--defalias 'cl-fourth 'cl-cadddr "Return the fourth element of the list X.")


reply via email to

[Prev in Thread] Current Thread [Next in Thread]