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| author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2021-09-02 16:37:55 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-09-02 16:37:55 (GMT) |
| commit | 7aa58f5425189c95927d1620df8d6b0ba57d393a (patch) | |
| tree | 869c1c17da06e11d372c344918c762a5bbdf1bf9 /Doc | |
| parent | 2184bc7fe15fe67043f1887ac5d39a99c8d09e35 (diff) | |
| download | cpython-7aa58f5425189c95927d1620df8d6b0ba57d393a.zip cpython-7aa58f5425189c95927d1620df8d6b0ba57d393a.tar.gz cpython-7aa58f5425189c95927d1620df8d6b0ba57d393a.tar.bz2 | |
[doc] Reword sentinel object summary in dataclasses (GH-27792)
This sentinel value (`MISSING`) is also used as default value for the `kw_only` parameter introduced in Python 3.10. It's cleaner to simply omit the usage here.
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
(cherry picked from commit 767a17f35a581da664ac8cf5d67281da9485eebf)
Co-authored-by: Ville Korhonen <ville@xd.fi>
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/library/dataclasses.rst | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/Doc/library/dataclasses.rst b/Doc/library/dataclasses.rst index 5da0553..5915bac 100644 --- a/Doc/library/dataclasses.rst +++ b/Doc/library/dataclasses.rst @@ -221,10 +221,9 @@ Module contents c.mylist += [1, 2, 3] As shown above, the :const:`MISSING` value is a sentinel object used to - detect if the ``default`` and ``default_factory`` parameters are - provided. This sentinel is used because ``None`` is a valid value - for ``default``. No code should directly use the :const:`MISSING` - value. + detect if some parameters are provided by the user. This sentinel is + used because ``None`` is a valid value for some parameters with + a distinct meaning. No code should directly use the :const:`MISSING` value. The parameters to :func:`field` are: |