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Convert iterator __len__() methods to a private API.

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Raymond Hettinger 2005-09-24 21:23:05 +00:00
parent 9ceebd5445
commit 6b27cda643
16 changed files with 169 additions and 94 deletions
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18
Modules/collectionsmodule.c
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@ -935,15 +935,17 @@ dequeiter_next(dequeiterobject *it)
return item;
}
static int
static PyObject *
dequeiter_len(dequeiterobject *it)
{
return it->counter;
return PyInt_FromLong(it->counter);
}
static PySequenceMethods dequeiter_as_sequence = {
(inquiry)dequeiter_len, /* sq_length */
0, /* sq_concat */
PyDoc_STRVAR(length_cue_doc, "Private method returning an estimate of len(list(it)).");
static PyMethodDef dequeiter_methods[] = {
{"_length_cue", (PyCFunction)dequeiter_len, METH_NOARGS, length_cue_doc},
{NULL, NULL} /* sentinel */
};
PyTypeObject dequeiter_type = {
@ -960,7 +962,7 @@ PyTypeObject dequeiter_type = {
0, /* tp_compare */
0, /* tp_repr */
0, /* tp_as_number */
&dequeiter_as_sequence, /* tp_as_sequence */
0, /* tp_as_sequence */
0, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
@ -976,6 +978,7 @@ PyTypeObject dequeiter_type = {
0, /* tp_weaklistoffset */
PyObject_SelfIter, /* tp_iter */
(iternextfunc)dequeiter_next, /* tp_iternext */
dequeiter_methods, /* tp_methods */
0,
};
@ -1042,7 +1045,7 @@ PyTypeObject dequereviter_type = {
0, /* tp_compare */
0, /* tp_repr */
0, /* tp_as_number */
&dequeiter_as_sequence, /* tp_as_sequence */
0, /* tp_as_sequence */
0, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
@ -1058,6 +1061,7 @@ PyTypeObject dequereviter_type = {
0, /* tp_weaklistoffset */
PyObject_SelfIter, /* tp_iter */
(iternextfunc)dequereviter_next, /* tp_iternext */
dequeiter_methods, /* tp_methods */
0,
};