diff options
Diffstat (limited to 'lisp/emacs-lisp/gv.el')
| -rw-r--r-- | lisp/emacs-lisp/gv.el | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lisp/emacs-lisp/gv.el b/lisp/emacs-lisp/gv.el index d1f997c99c4..4caa0a73866 100644 --- a/lisp/emacs-lisp/gv.el +++ b/lisp/emacs-lisp/gv.el @@ -191,8 +191,9 @@ well for simple place forms. Assignments of VAL to (NAME ARGS...) are expanded by binding the argument forms (VAL ARGS...) according to ARGLIST, then executing BODY, which must return a Lisp form that does the assignment. -Actually, ARGLIST may be bound to temporary variables which are introduced -automatically to preserve proper execution order of the arguments. Example: +The first arg in ARLIST (the one that receives VAL) receives an expression +which can do arbitrary things, whereas the other arguments are all guaranteed +to be pure and copyable. Example use: (gv-define-setter aref (v a i) `(aset ,a ,i ,v))" (declare (indent 2) (debug (&define name sexp body))) `(gv-define-expander ,name |