code: def test_move_only_holder():
      a = m.TypeWithMoveOnlyHolder.make()
      b = m.TypeWithMoveOnlyHolder.make_as_object()
      stats = ConstructorStats.get(m.TypeWithMoveOnlyHolder)
      assert stats.alive() == 2
      del b
      assert stats.alive() == 1
      del a
      assert stats.alive() == 0
  
file_path: coremltools/deps/pybind11/tests/test_smart_ptr.py
imports: import pytest
  from pybind11_tests import ConstructorStats
label_desc: Use image node_id 9 for calling a global function with example usage: test_move_only_holder() without return types