code: def test_no_rejit(self):
      n = 0
      m = nnx.Dict(a=nnx.Param(1))
  
      @jax.jit
      def g(state_and_def):
          nonlocal n
          n += 1
          m = nnx.merge(state_and_def)
          m.a += 1
          return m.split()
  
      m2 = nnx.merge(g(m.split()))
  
      assert n == 1
      assert m2 is not m
      assert m.a == 1
      assert m2.a == 2
  
      g(m.split())
      assert n == 1
  
      g(m2.split())
      assert n == 1
  
      m2.b = nnx.Param(10)
      g(m2.split())
  
      assert n == 2
  
imports: import dataclasses
  from copy import deepcopy
  from typing import Any, TypeVar
  import jax
  import jax.numpy
  import pytest
  from flax.experimental import nnx
label_desc: Use image node_id 13 for calling the TestModule obj's underlying member method code with example usage: obj.test_no_rejit() and returns: m