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| author | Armin Ronacher <armin.ronacher@active-4.com> | 2012-10-06 12:03:24 (GMT) |
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| committer | Armin Ronacher <armin.ronacher@active-4.com> | 2012-10-06 12:03:24 (GMT) |
| commit | aa9a79d27958ae5afb6c8769a2b342d98677c091 (patch) | |
| tree | 24d49f530111a345c57f053a7f40652fa51d27a3 /Doc/c-api | |
| parent | ef08fb1f040cb51e752c6b1322008714262fbf3e (diff) | |
| download | cpython-aa9a79d27958ae5afb6c8769a2b342d98677c091.zip cpython-aa9a79d27958ae5afb6c8769a2b342d98677c091.tar.gz cpython-aa9a79d27958ae5afb6c8769a2b342d98677c091.tar.bz2 | |
Issue #16148: implemented PEP 424
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. |