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Diffstat (limited to 'Doc/c-api')
| -rw-r--r-- | Doc/c-api/object.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Doc/c-api/object.rst b/Doc/c-api/object.rst index d895547..8458fe8 100644 --- a/Doc/c-api/object.rst +++ b/Doc/c-api/object.rst @@ -342,6 +342,13 @@ is considered sufficient for this determination. returned. This is the equivalent to the Python expression ``len(o)``. +.. c:function:: Py_ssize_t PyObject_LengthHint(PyObject *o, Py_ssize_t default) + + Return an estimated length for the object *o*. First trying to return its + actual length, then an estimate using ``__length_hint__``, and finally + returning the default value. On error ``-1`` is returned. This is the + equivalent to the Python expression ``operator.length_hint(o, default)``. + .. c:function:: PyObject* PyObject_GetItem(PyObject *o, PyObject *key) Return element of *o* corresponding to the object *key* or *NULL* on failure. |