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| author | Stefan Monnier <monnier@iro.umontreal.ca> | 2013-12-16 14:12:21 -0500 |
|---|---|---|
| committer | Stefan Monnier <monnier@iro.umontreal.ca> | 2013-12-16 14:12:21 -0500 |
| commit | 39cb42c6213248c07f298be04c79b606be7d431d (patch) | |
| tree | d01aac41fce54598eb1651aac095e7a487b8b25e /lisp/emacs-lisp/gv.el | |
| parent | 2f43a3ee6a4a8da9b03794f7d67410a11808da87 (diff) | |
| download | emacs-39cb42c6213248c07f298be04c79b606be7d431d.tar.gz | |
* lisp/emacs-lisp/gv.el (gv-ref): Mention lexbind restriction.
Fixes: debbugs:16153
Diffstat (limited to 'lisp/emacs-lisp/gv.el')
| -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))))) |