code: def mask_recurrent_states_of_links_at(
      links, recurrent_states, indices
  ):
      if recurrent_states is None:
          return None
      assert len(links) == len(recurrent_states)
      return [
          mask_recurrent_state_at(link, rs, indices)
          for link, rs in zip(links, recurrent_states)
      ]
  
imports: from cached_property import cached_property
  import chainer
  import chainer.functions
  import chainer.links
  import numpy
label_desc: Use image node_id 6 for calling a global function with example usage: mask_recurrent_states_of_links_at(links, recurrent_states, indices) and returns: unknown, None