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Diffstat (limited to 'Doc/c-api/structures.rst')
| -rw-r--r-- | Doc/c-api/structures.rst | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Doc/c-api/structures.rst b/Doc/c-api/structures.rst index 49f2a61..3270d7d 100644 --- a/Doc/c-api/structures.rst +++ b/Doc/c-api/structures.rst @@ -342,6 +342,9 @@ There are these calling conventions: hold a reference to the module or object instance. In all cases the second parameter will be ``NULL``. + The function must have 2 parameters. Since the second parameter is unused, + :c:macro:`Py_UNUSED` can be used to prevent a compiler warning. + .. data:: METH_O |