code: def test_pointer_to_member_fn():
      for cls in [m.Buffer, m.ConstBuffer, m.DerivedBuffer]:
          buf = cls()
          buf.value = 0x12345678
          value = struct.unpack("i", bytearray(buf))[0]
          assert value == 0x12345678
  
file_path: coremltools/deps/pybind11/tests/test_buffers.py
imports: import ctypes
  import io
  import struct
  import pytest
  import env
  from pybind11_tests import ConstructorStats
  from pybind11_tests import buffers
label_desc: Use image node_id 4 for calling a global function with example usage: test_pointer_to_member_fn() without return types