code: def ref_get(ref_or_view: Any, idx: Indexer | None = None) -> Array:
      """Reads a value from a `Ref`, a.k.a. value <- ref[idx]."""
      ref, indexers = get_ref_and_indexers(ref_or_view, idx, "ref_get")
      flat_indexers, tree = tree_util.tree_flatten(indexers)
      return get_p.bind(ref, *flat_indexers, tree=tree)
  
imports: from __future__ import annotations
  from functools import partial
  from typing import Any, Union
  import numpy
  from jax._src import ad_util
  from jax._src import core
  from jax._src import pretty_printer
  from jax._src import tree_util
  from jax._src.interpreters import ad
  from jax._src.interpreters import batching
  from jax._src.interpreters import partial_eval
  from jax._src.interpreters import mlir
  from jax._src.lax import lax
  from jax._src.typing import Array
  from jax._src.state import indexing
  from jax._src.state.types import AbstractRef, RefView, ReadEffect, WriteEffect, AccumEffect
  from jax._src.util import safe_map, safe_zip
label_desc: Use image node_id 4 for calling a global function with example usage: ref_get(ref_or_view, idx) and returns: get_p