466     itemgetterobject *ig;  in itemgetter_new()  local
481     ig = PyObject_GC_New(itemgetterobject, &itemgetter_type);  in itemgetter_new()
482     if (ig == NULL)  in itemgetter_new()
486     ig->item = item;  in itemgetter_new()
487     ig->nitems = nitems;  in itemgetter_new()
489     PyObject_GC_Track(ig);  in itemgetter_new()
490     return (PyObject *)ig;  in itemgetter_new()
494 itemgetter_dealloc(itemgetterobject *ig)  in itemgetter_dealloc()  argument
496     PyObject_GC_UnTrack(ig);  in itemgetter_dealloc()
497     Py_XDECREF(ig->item);  in itemgetter_dealloc()
498     PyObject_GC_Del(ig);  in itemgetter_dealloc()
502 itemgetter_traverse(itemgetterobject *ig, visitproc visit, void *arg)  in itemgetter_traverse()  argument
504     Py_VISIT(ig->item);  in itemgetter_traverse()
509 itemgetter_call(itemgetterobject *ig, PyObject *args, PyObject *kw)  in itemgetter_call()  argument
512     Py_ssize_t i, nitems=ig->nitems;  in itemgetter_call()
519         return PyObject_GetItem(obj, ig->item);  in itemgetter_call()
521     assert(PyTuple_Check(ig->item));  in itemgetter_call()
522     assert(PyTuple_GET_SIZE(ig->item) == nitems);  in itemgetter_call()
530         item = PyTuple_GET_ITEM(ig->item, i);  in itemgetter_call()