class_docstr: Print a cudf::device_span
code: def children(self):
      return DeviceIterator(self.pointer, self.size)
  
file_path: cudf/cpp/scripts/gdb-pretty-printers.py
imports: import gdb
label_desc: Use image node_id 2 for calling the CudfDeviceSpanPrinter obj's underlying member method code with example usage: obj.children() and returns: DeviceIterator