diff options
Diffstat (limited to 'lisp/emacs-lisp')
| -rw-r--r-- | lisp/emacs-lisp/gv.el | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/gv.el b/lisp/emacs-lisp/gv.el index 1a3800597a6..47ab36c0531 100644 --- a/lisp/emacs-lisp/gv.el +++ b/lisp/emacs-lisp/gv.el @@ -454,7 +454,10 @@ The return value is the last VAL in the list. ;;;###autoload (defmacro gv-ref (place) "Return a reference to PLACE. -This is like the `&' operator of the C language." +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 +binding mode." (gv-letplace (getter setter) place `(cons (lambda () ,getter) (lambda (gv--val) ,(funcall setter 'gv--val))))) |