class_docstr: Device for ChainerX backend
code: def send_array(self, array):
      device = self.device
      if isinstance(array, chainerx.ndarray):
          if array.device is device:
              return array
          return array.to_device(device)
      return _array_to_chainerx(array, device)
  
imports: import numpy
  import chainer
  from chainer import _backend
  from chainer.backends import _cpu
  from chainer.backends import cuda
  from chainer.backends import intel64
  import chainerx
label_desc: Use image node_id 9 for calling the ChainerxDevice obj's underlying member method code with example usage: obj.send_array(array) and returns: _array_to_chainerx, array, array