def _print_node(node, indent=0):
  """Print out a ScoredChartNode recursively for debugging."""
  print("%s %s" % ("-" * indent, node))
  for child in node.children:
    _print_node(child, indent=indent+1)
Print out a ScoredChartNode recursively for debugging.
language/compgen/csl/model/inference/inference_parser.py