Convert iterator __len__() methods to a private API.
diff --git a/Objects/rangeobject.c b/Objects/rangeobject.c
index 8b5650a..3cc5504 100644
--- a/Objects/rangeobject.c
+++ b/Objects/rangeobject.c
@@ -262,17 +262,18 @@
return NULL;
}
-static int
+static PyObject *
rangeiter_len(rangeiterobject *r)
{
- return r->len - r->index;
+ return PyInt_FromLong(r->len - r->index);
}
-static PySequenceMethods rangeiter_as_sequence = {
- (inquiry)rangeiter_len, /* sq_length */
- 0, /* sq_concat */
-};
+PyDoc_STRVAR(length_cue_doc, "Private method returning an estimate of len(list(it)).");
+static PyMethodDef rangeiter_methods[] = {
+ {"_length_cue", (PyCFunction)rangeiter_len, METH_NOARGS, length_cue_doc},
+ {NULL, NULL} /* sentinel */
+};
static PyTypeObject Pyrangeiter_Type = {
PyObject_HEAD_INIT(&PyType_Type)
@@ -288,7 +289,7 @@
0, /* tp_compare */
0, /* tp_repr */
0, /* tp_as_number */
- &rangeiter_as_sequence, /* tp_as_sequence */
+ 0, /* tp_as_sequence */
0, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
@@ -304,5 +305,6 @@
0, /* tp_weaklistoffset */
PyObject_SelfIter, /* tp_iter */
(iternextfunc)rangeiter_next, /* tp_iternext */
- 0, /* tp_methods */
+ rangeiter_methods, /* tp_methods */
+ 0,
};