code: def index_get_loc(index, item):
      def index_get_loc_impl(index, item):
          # Initialize the hash table if not initialized
          if len(index.hashmap) == 0:
              for i, val in enumerate(index._data):
                  index.hashmap[val] = i
          return index.hashmap[item]
  
      return index_get_loc_impl
  
imports: from __future__ import annotations
  from contextlib import contextmanager
  import operator
  import numba
  from numba import types
  from numba.core import cgutils
  from numba.core.datamodel import models
  from numba.core.extending import NativeValue, box, lower_builtin, make_attribute_wrapper, overload, overload_attribute, overload_method, register_model, type_callable, typeof_impl, unbox
  from numba.core.imputils import impl_ret_borrowed
  import numpy
  from pandas._libs import lib
  from pandas.core.indexes.base import Index
  from pandas.core.indexing import _iLocIndexer
  from pandas.core.internals import SingleBlockManager
  from pandas.core.series import Series
label_desc: Use image node_id 19 for calling a global function with example usage: index_get_loc(index, item) and returns: index_get_loc_impl, index