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| author | John Wiegley <johnw@newartisans.com> | 2015-12-29 21:39:08 -0800 |
|---|---|---|
| committer | John Wiegley <johnw@newartisans.com> | 2015-12-29 21:39:08 -0800 |
| commit | ec0a80cc283badc7f7fd5ef78512dde6d34b1355 (patch) | |
| tree | 7190e0fb3d4aa06018d8cf997f06b806fb09a9c8 /lisp/emacs-lisp/gv.el | |
| parent | d259328fb87db8cc67d52771efcfa653e52c5b71 (diff) | |
| parent | e823c34072bf045800d91e12c7ddb61fa23c6e30 (diff) | |
| download | emacs-25-merge.tar.gz | |
Merge emacs-25 into master (using imerge)emacs-25-merge
Diffstat (limited to 'lisp/emacs-lisp/gv.el')
| -rw-r--r-- | lisp/emacs-lisp/gv.el | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/gv.el b/lisp/emacs-lisp/gv.el index 94fe6c3d441..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. \(fn PLACE VAL PLACE VAL ...)" (declare (debug (&rest [gv-place form]))) + (if (/= (logand (length args) 1) 0) + (signal 'wrong-number-of-arguments (list 'setf (length args)))) (if (and args (null (cddr args))) (let ((place (pop args)) (val (car args))) @@ -534,7 +536,7 @@ This macro only makes sense when used in a place." "Return a reference to PLACE. This is like the `&' operator of the C language. Note: this only works reliably with lexical binding mode, except for very -simple PLACEs such as (function-symbol 'foo) which will also work in dynamic +simple PLACEs such as (function-symbol \\='foo) which will also work in dynamic binding mode." (let ((code (gv-letplace (getter setter) place |