示例#1
0
 def append(self, child):
     """overridden to detect problems easily"""
     assert child not in self.parents()
     VNode.append(self, child)
示例#2
0
文件： nodes.py 项目： noirbizarre/dupy 
 def append(self, child):
     """overridden to detect problems easily"""
     assert child not in self.parents()
     VNode.append(self, child)