code: def test_c_and_c_ext() -> None:
      c_ext = DataclassC_ext(ints=[3, 4], s="s")
      assert loads(dumps(c_ext)) == c_ext
  
      c = DataclassC(ints=[1, 2])
      assert loads(dumps(c)) == c
  
file_path: automated-interpretability/neuron-explainer/neuron_explainer/fast_dataclasses/test_fast_dataclasses.py
imports: from dataclasses import dataclass
  import pytest
  from .fast_dataclasses import FastDataclass, dumps, loads, register_dataclass
label_desc: Use image node_id 2 for calling a global function with example usage: test_c_and_c_ext() without return types