code: def struct_char(self):
      result = self.dtype.char
      if result == "V":
          result = "%ds" % self.dtype.itemsize
  
      return result
  
imports: import pycuda.driver
  import pycuda._driver
  import numpy
  from pycuda.compyte.dtypes import register_dtype, get_or_register_dtype, _fill_dtype_registry, dtype_to_ctype
label_desc: Use image node_id 2 for calling the ScalarArg obj's underlying member method code with example usage: obj.struct_char() and returns: result