def append()

in iact3/generate_params.py [0:0]


    def append(self, key, original_value, allowed_values=None, parameters=None):
        node = Selector(key, original_value, allowed_values, parameters)
        if self.is_empty():
            self._head = node
        else:
            cur = self._last
            cur.next = node
            node.prev = cur
        self._last = node