parameters: (x, out, dout)
return_statement: return (C.zeros_like(x),)
docstring: Backpropagator for primitive `get_ref_key`.
docstring_summary: Backpropagator for primitive `get_ref_key`.
docstring_tokens: Backpropagator for primitive get_ref_key .
function: def bprop_get_ref_key(x, out, dout):
      """Backpropagator for primitive `get_ref_key`."""
      return (C.zeros_like(x),)
function_tokens: def bprop_get_ref_key ( x , out , dout ) : return ( C . zeros_like ( x ) , )