diff options
Diffstat (limited to 'Objects/tupleobject.c')
| -rw-r--r-- | Objects/tupleobject.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c index f89fa36..bbb56b1 100644 --- a/Objects/tupleobject.c +++ b/Objects/tupleobject.c @@ -420,6 +420,23 @@ tuplerepeat(a, n) return (PyObject *) np; } +static int +tupletraverse(PyTupleObject *o, visitproc visit, void *arg) +{ + int i, err; + PyObject *x; + + for (i = o->ob_size; --i >= 0; ) { + x = o->ob_item[i]; + if (x != NULL) { + err = visit(x, arg); + if (err) + return err; + } + } + return 0; +} + static PySequenceMethods tuple_as_sequence = { (inquiry)tuplelength, /*sq_length*/ (binaryfunc)tupleconcat, /*sq_concat*/ @@ -453,6 +470,8 @@ PyTypeObject PyTuple_Type = { 0, /*tp_setattro*/ 0, /*tp_as_buffer*/ Py_TPFLAGS_DEFAULT, /*tp_flags*/ + 0, /*tp_doc*/ + (traverseproc)tupletraverse, /* tp_traverse */ }; /* The following function breaks the notion that tuples are immutable: |