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-rw-r--r--lisp/emacs-lisp/cl-seq.el7
1 files changed, 7 insertions, 0 deletions
diff --git a/lisp/emacs-lisp/cl-seq.el b/lisp/emacs-lisp/cl-seq.el
index 31ad8111858..3eb6ea16daf 100644
--- a/lisp/emacs-lisp/cl-seq.el
+++ b/lisp/emacs-lisp/cl-seq.el
@@ -113,6 +113,13 @@
(defvar cl-key)
;;;###autoload
+(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."
+ (cl-check-type x list)
+ (null x))
+
+;;;###autoload
(defun cl-reduce (cl-func cl-seq &rest cl-keys)
"Reduce two-argument FUNCTION across SEQ.
\nKeywords supported: :start :end :from-end :initial-value :key