39     def values(self, selector):  member in Node
48         values = []
49         self.append_values(values, selector)
50         return values
52     def append_values(self, values, selector):  argument
319         return node.values(selector)
321     def append_values(self, values, selector):  argument
324                 node.append_values(values, lambda x: True)
327         return self.nodes.values()
337     def append_values(self, values, selector):  argument
338         values.append(self.value)