Function: tree-widget-expander-p
tree-widget-expander-p is a byte-compiled function defined in
tree-widget.el.gz.
Signature
(tree-widget-expander-p TREE)
Documentation
Return non-nil if the TREE tree-widget :expander has to be called.
That is, if TREE :args is nil.
Source Code
;; Defined in /usr/src/emacs/lisp/tree-widget.el.gz
(defun tree-widget-expander-p (tree)
"Return non-nil if the TREE tree-widget :expander has to be called.
That is, if TREE :args is nil."
(null (widget-get tree :args)))