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| -rw-r--r-- | Doc/reference/datamodel.rst | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/Doc/reference/datamodel.rst b/Doc/reference/datamodel.rst index d2e586a..be1f714 100644 --- a/Doc/reference/datamodel.rst +++ b/Doc/reference/datamodel.rst @@ -1877,9 +1877,12 @@ Notes on using *__slots__* * Nonempty *__slots__* does not work for classes derived from "variable-length" built-in types such as :class:`int`, :class:`bytes` and :class:`tuple`. -* Any non-string iterable may be assigned to *__slots__*. Mappings may also be - used; however, in the future, special meaning may be assigned to the values - corresponding to each key. +* Any non-string :term:`iterable` may be assigned to *__slots__*. + +* If a :class:`dictionary <dict>` is used to assign *__slots__*, the dictionary + keys will be used as the slot names. The values of the dictionary can be used + to provide per-attribute docstrings that will be recognised by + :func:`inspect.getdoc` and displayed in the output of :func:`help`. * :attr:`~instance.__class__` assignment works only if both classes have the same *__slots__*. |