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authorAlan Mackenzie2015-11-23 17:13:55 +0000
committerAlan Mackenzie2015-11-23 17:13:55 +0000
commitb6bc4ab20cb62edc4ab6dac00918f81781ba1925 (patch)
tree388ce5b5e8295aa6da7954edb0a4a003fea06f5c
parent9f1a5113e103c789e173171ee0cda8d29de2f3d7 (diff)
downloademacs-b6bc4ab20cb62edc4ab6dac00918f81781ba1925.tar.gz
emacs-b6bc4ab20cb62edc4ab6dac00918f81781ba1925.zip
Signal an error when `setf' gets an odd number of arguments.
* lisp/emacs-lisp/gv.el (setf): Amend.
-rw-r--r--lisp/emacs-lisp/gv.el2
1 files changed, 2 insertions, 0 deletions
diff --git a/lisp/emacs-lisp/gv.el b/lisp/emacs-lisp/gv.el
index 9e00190e000..1fea38c49c1 100644
--- a/lisp/emacs-lisp/gv.el
+++ b/lisp/emacs-lisp/gv.el
@@ -260,6 +260,8 @@ The return value is the last VAL in the list.
260 260
261\(fn PLACE VAL PLACE VAL ...)" 261\(fn PLACE VAL PLACE VAL ...)"
262 (declare (debug (&rest [gv-place form]))) 262 (declare (debug (&rest [gv-place form])))
263 (if (/= (logand (length args) 1) 0)
264 (signal 'wrong-number-of-arguments (list 'setf (length args))))
263 (if (and args (null (cddr args))) 265 (if (and args (null (cddr args)))
264 (let ((place (pop args)) 266 (let ((place (pop args))
265 (val (car args))) 267 (val (car args)))